{"title":"pH \u0026 Testing","description":"\u003cp\u003eDial in your grow with precision pH meters, TDS\/EC testers, soil moisture meters, and nutrient test kits. Accurate readings mean healthier plants and better yields.\u003c\/p\u003e","products":[{"product_id":"ecotestr-cts-pocket-conductivity-salinity-tds","title":"EcoTestr CTS Pocket Conductivity, Salinity, \u0026 TDS","description":"\u003cp\u003eThis new addition to the Oakton EcoTestr product line features updates to make measuring water quality easier and faster. The display is larger with a better viewing angle, has indicators for battery life, readiness, and calibration, and shows both the parameter and temperature readings at the same time. \u003cbr\u003e\u003cbr\u003eTo enhance field use, the cap was redesigned to be leakproof and can be attached to the top of the meter when not being used—no more lost caps! The cap features a fill line, so you know how much sample you need for an accurate reading when using the cap as a sample cup. It is also wider, providing a base to keep the meter upright for hands-free measurements. \u003cbr\u003e\u003cbr\u003eThe keypad now has a fourth key to simplify menu navigation while keeping convenient one-touch calibration. The new housing is compatible with lanyards to prevent losing or dropping, but is still waterproof and floats just in case.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConductivity, TDS, and salinity in one meter \n\u003c\/li\u003e\n\u003cli\u003eExpanded 4-digit dual-line display shows conductivity and temperature readings simultaneously \n\u003c\/li\u003e\n\u003cli\u003eAdditional key provides an easier, more intuitive interface \n\u003c\/li\u003e\n\u003cli\u003eImproved cap functions as a sample cup and as a stabilizing base to stand the meter upright \n\u003c\/li\u003e\n\u003cli\u003eIP67-rated housing is waterproof and floats \n\u003c\/li\u003e\n\u003cli\u003eMin Conductivity: 0.00 mS\/cm \n\u003c\/li\u003e\n\u003cli\u003eMax Conductivity: 20.00 mS\/cm \n\u003c\/li\u003e\n\u003cli\u003eConductivity Resolution: 10 uS, 0.1 mS \n\u003c\/li\u003e\n\u003cli\u003eConductivity Accuracy: 2% full-scale 1 LSD  \n\u003c\/li\u003e\n\u003cli\u003eMin TDS: 0.00 ppt \n\u003c\/li\u003e\n\u003cli\u003eMax TDS: 20.00 ppt \n\u003c\/li\u003e\n\u003cli\u003eTDS Resolution: 10 ppm, 0.1 ppt \n\u003c\/li\u003e\n\u003cli\u003eTDS Accuracy: 2% full-scale 1 LSD \n\u003c\/li\u003e\n\u003cli\u003eMin Salinity: 0.0 ppt \n\u003c\/li\u003e\n\u003cli\u003eMax Salinity: 10.0 ppt \n\u003c\/li\u003e\n\u003cli\u003eSalinity Resolution: 0.1 ppt \n\u003c\/li\u003e\n\u003cli\u003eSalinity Accuracy: 2% full-scale 1 LSD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIncludes four A76 1.5 V miniature alkaline batteries\u003c\/p\u003e","brand":"Oakton","offers":[{"title":"Default Title","offer_id":31405312475172,"sku":"OK3546211","price":105.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/OK3546211_1.jpg?v=1575588205"},{"product_id":"milwaukee-instruments-t75-wp-tds-ppm-tester","title":"Milwaukee Instruments T75 WP TDS\/ppm Tester","description":"\u003cp\u003eStainless steel probes deliver fast and accurate readings  with ten times better resolution. Comes with protective  case and calibration solution.\u003c\/p\u003e\n\u003cp\u003eMeasures in part per million (PPM).\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":31405387513892,"sku":"MIT75","price":61.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/MIT75_1.jpg?v=1575588981"},{"product_id":"milwaukee-instruments-ph-ec-tds-kit","title":"Milwaukee Instruments pH\/EC\/TDS Kit","description":"\u003cp\u003eMilwaukee Instruments AG900 provides instant  readings of the three  most important factors in efficient plant production: pH, EC, or TDS. The AG900 kit comes with an MIMW802 hand held microprocessor, calibration solution,  measuring cup for soil testing, a comprehensive 21-page Operational and Testing manual, 9V battery as well as a protective  carrying case.\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":31405391511588,"sku":"MIAG900","price":354.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/MIAG900_1.jpg?v=1759443997"},{"product_id":"milwaukee-instruments-mi-805-commercial-grade-combo-ph-ec-tds-temp-meter","title":"Milwaukee Instruments Mi 805 Commercial Grade Combo pH\/EC\/TDS\/Temp Meter","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eMulti-range pH\/EC\/TDS and Temperature meter\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003e - 4-in-1 pH\/EC\/TDS\/Temperature probe\u003cbr\u003e - The rugged MA851D\/1 probe has been designed\u003cbr\u003e for heavy-duty applications (agriculture, industrial, etc.)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eRANGE\u003c\/strong\u003e:\u003cbr\u003e0.00-14.00 pH     \t\u003cbr\u003e0-3999 µS\/cm     \t\u003cbr\u003e0-1999 ppm     \t\u003cbr\u003e0.0-60.0°C\t   \t\t\u003cbr\u003e32.0-140.0°F\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eRESOLUTION\u003c\/strong\u003e:\u003cbr\u003e0.01 pH     \t\u003cbr\u003e1 µS\/cm     \t\u003cbr\u003e1 ppm     \t\u003cbr\u003e0.1°C     \t\u003cbr\u003e0.1°F\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eACCURACY\u003c\/strong\u003e\u003cbr\u003e± 0.01 pH     \t\u003cbr\u003e± 2% Full scale (for EC and TDS)     \t\u003cbr\u003e± 0.5°C     \t\u003cbr\u003e± 1°F\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTEMPERATURE COMPENSATION:\u003c\/strong\u003e\u003cbr\u003e Automatic from 0 to 60°C\/from 32 to 140°F\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003epH CALIBRATION\u003c\/strong\u003e\u003cbr\u003eIn 1 or 2 points with automatic buffer recognition\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eEC CALIBRATION\u003c\/strong\u003e\u003cbr\u003eAutomatic in 1 point\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eEC\/TDS CONVERSION FACTOR\u003c\/strong\u003e\u003cbr\u003eAdjustable from 0.45 to 1.00\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":31405391609892,"sku":"MI805","price":403.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/MI805_1.jpg?v=1759444005"},{"product_id":"milwaukee-instruments-1382-tds-calibration-solution-20-ml-sachets-case-of-25","title":"Milwaukee Instruments 1382 TDS Calibration Solution, 20 ml Sachets, case of 25","description":"\u003cp\u003eAvailable in 220 ml bottles and 20ml sachets. Traditional buffer solutions are packed in 220 ml leak-proof bottles and are recommended for lab application. Sachets are sealed against light and air and are ideal for on-the-spot calibration. Simply open, insert the tester or electrode into the sachet and calibrate. Sachets are sold in boxes of 25 pieces.\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":31405391806500,"sku":"MI10032P","price":25.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/MI10032P_1.jpg?v=1575589035"},{"product_id":"luster-leaf-digital-moisture-meter","title":"Luster Leaf Digital Moisture Meter","description":"\u003cp\u003eDigital results from 0 to 9.9. Printed instructions and extensive plant list.\u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":31405407338532,"sku":"LL01825","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/LL01825_1.jpg?v=1575589248"},{"product_id":"luster-leaf-rapitest-ph-soil-tester","title":"Luster Leaf Rapitest pH Soil Tester","description":"\u003cp\u003e1 color comparator for pH. 10 tests.\u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":31405407436836,"sku":"LL01612","price":10.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/LL01612_1.jpg?v=1759444126"},{"product_id":"luster-leaf-rapitest-soil-test-kit","title":"Luster Leaf Rapitest Soil Test Kit","description":"\u003cp\u003e4 individual color comparators for pH, N, P, K. 10 tests for each.\u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":31405407502372,"sku":"LL01601","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/LL01601_1.jpg?v=1575589253"},{"product_id":"milwaukee-instruments-tds-calibration-solution-1-l","title":"Milwaukee Instruments TDS Calibration Solution, 1 L","description":"\u003cp\u003eSPO TDS Calibration Solution 1L\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":31405429194788,"sku":"JL4423000Q","price":289.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/JL4423000Q_1.jpg?v=1759444262"},{"product_id":"hm-digital-tds-3-handheld-tds-meter","title":"HM Digital TDS-3 Handheld TDS meter","description":"\u003cp\u003eIdeal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image.\u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":31405492666404,"sku":"HMDTDS3","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMDTDS3_1.jpg?v=1759444494"},{"product_id":"hm-digital-hydromaster-replacement-ec-tds-probe","title":"HM Digital Hydromaster Replacement EC\/TDS Probe","description":"\u003cp\u003eThe HM Digital Hydromaster EC\/TDS Probe is a replacement part for the HydroMaster HM-500.\u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":31405493059620,"sku":"HMDSPC5","price":37.76,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMDSPC5_1.jpg?v=1575590419"},{"product_id":"hm-digital-com-80-ec-tds-temp-waterproof-hydro-tester","title":"HM Digital COM-80 EC\/TDS\/Temp Waterproof Hydro Tester","description":"\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eThe COM-80 is an economically priced, reliable EC\/TDS meter that is ideal for testing applications such as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eFour scales: EC: µS, mS;  TDS: ppm, ppt  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eWater resistant\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eMeasurement Range: 0-9990 \u003cem\u003eµ\u003c\/em\u003eS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eDigital Calibration (push button) to any point within the meter's range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eFactory Calibrated: The COM-80 meter is calibrated with a 1413 \u003cem\u003eµ\u003c\/em\u003eS solution—can be recalibrated with digital calibration using the push buttons\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eIncludes a protective cap and batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eSPECIFICATIONS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eEC Range: \u003c\/span\u003e\u003cspan style=\"font-family: \"\u003e0-9990 \u003cem\u003eµ\u003c\/em\u003eS; 0-9.9 mS  \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eTDS Range:\u003c\/span\u003e 0-5000 ppm (mg\/L); 0-5.0 ppt  \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eTemperature Range:\u003c\/span\u003e 1-80°C\/33-176°F \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eResolution:\u003c\/span\u003e 1 \u003cem\u003eµ\u003c\/em\u003eS\/ppm; 0.1 mS\/ppt   \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003e     Temp. resolution:\u003c\/span\u003e 0.1°C\/F \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eAccuracy:\u003c\/span\u003e +\/- 2% \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eEC-to-TDS Conversion Factor:\u003c\/span\u003e NaCl (avg of 0.5) \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eCalibration:\u003c\/span\u003e Digital calibration by push button \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eProbe:\u003c\/span\u003e Fixed \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eHousing:\u003c\/span\u003e Water resistant\u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003ePower source:\u003c\/span\u003e 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent)\u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eDimensions:\u003c\/span\u003e 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eWeight:\u003c\/span\u003e 53.9 g (1.9 oz)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003e1 year warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":31405493288996,"sku":"HMDCOM80","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMDCOM80_1.jpg?v=1759444504"},{"product_id":"hm-digital-com-100-waterproof-ec-tds-temp-combo-meter","title":"HM Digital COM-100 Waterproof EC\/TDS\/Temp Combo Meter","description":"\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e \n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Times New Roman; font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003eIdeal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment and more. The COM-100 is a professional level EC\/TDS meter at an unbeatable price.\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eUPGRADED: Four scales: \u003cem\u003eµ\u003c\/em\u003eS, mS, ppm, ppt (mS and ppt are new)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eThree different non-linear EC-to-TDS conversion factors (KCl, 442\u003csup\u003eTM\u003c\/sup\u003e, NaCl). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eAutomatic Temperature Compensation (ATC) using three temperature coefficients \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eWaterproof housing (IP-67 rating)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eMeasurement Range: 0-9990 \u003cem\u003eµ\u003c\/em\u003eS; 0-8560 ppm; \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003e0-9.99 mS; 0-8.56 ppt\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eDigital Calibration (push button) to any point within the meter's range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eReplaceable Sensor (model SP-C1)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eFactory Calibrated: The COM-100 meter is calibrated with a 1413 \u003cem\u003eµ\u003c\/em\u003eS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eIncludes a cap, batteries and lanyard. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003eSPECIFICATIONS\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003eEC Range:\u003c\/span\u003e\u003cspan style=\"font-family: \"\u003e 0-9990 \u003cem\u003eµ\u003c\/em\u003eS; \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003e0-9.99 mS\u003c\/span\u003e \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eTDS Range:\u003c\/span\u003e 0-8560 ppm (mg\/L); \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003e0-8.56 ppt\u003c\/span\u003e \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eTemperature Range:\u003c\/span\u003e 0-80 °C\/32-176 °F \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eResolution:\u003c\/span\u003e 0-99: 0.1 \u003cem\u003eµ\u003c\/em\u003eS\/ppm\/mS\/ppt; 100-999: 1 \u003cem\u003eµ\u003c\/em\u003eS\/ppm; 1000-9990: 10 \u003cem\u003eµ\u003c\/em\u003eS\/ppm. Temp. resolution is 0.1 °C\/F \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eAccuracy:\u003c\/span\u003e +\/- 2% \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eEC to TDS Conversion Factor:\u003c\/span\u003e Non-linear conversions for KCl, 442\u003csup\u003eTM\u003c\/sup\u003e or NaCl solutions, selected by the user \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eCalibration:\u003c\/span\u003e Digital calibration by push button \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eProbe:\u003c\/span\u003e Detachable platinum electrodes \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eHousing:\u003c\/span\u003e IP-67 Waterproof (submersible; floats) \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003ePower source:\u003c\/span\u003e 3 x 1.5V button cell batteries (included) (model LR44 or equivalent)\u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eDimensions:\u003c\/span\u003e 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) \u003cbr\u003e \u003cspan style=\"mso-bidi-font-weight: bold;\"\u003eWeight:\u003c\/span\u003e 90.7 g (3.2 oz)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt; line-height: normal;\"\u003e\u003cspan style=\"font-family: \"\u003e1 year warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e\u003cspan style=\"font-size: small;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0in 0in 10pt;\"\u003e \u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":31405493583908,"sku":"HMDCOM100","price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMDCOM100_1.jpg?v=1575590431"},{"product_id":"hm-digital-1000-ppm-tds-calibration-solution-3-oz-90-ml","title":"HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)","description":"\u003cp\u003eNaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.\u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Single","offer_id":44203144478756,"sku":"HMDC1000","price":7.5,"currency_code":"USD","in_stock":true},{"title":"Case of 36","offer_id":44203144511524,"sku":"HMDC1000-C36","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMDC1000_1.jpg?v=1759444510"},{"product_id":"hm-digital-aquapro-tds-temperature-meter","title":"HM Digital AquaPro TDS\/Temperature Meter","description":"\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli\u003eMeasures total dissolved solids (TDS) and      temperature\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) \u003c\/li\u003e\n\u003cli\u003eWater-resistant housing \u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-5000 ppm \u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) \u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery      indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes      simultaneous temperature reading\u003c\/li\u003e\n\u003cli\u003eThe AquaPro is calibrated with a 342 ppm      NaCl solution—can be recalibrated with digital calibration      using the push buttons, rather than a screwdriver\u003c\/li\u003e\n\u003cli\u003eMagnetic back\u003c\/li\u003e\n\u003cli\u003eIncludes a cap and batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":31405493649444,"sku":"HMDAP1","price":27.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMDAP1_1.jpg?v=1759444510"},{"product_id":"hm-digital-hydromaster-portable-wall-mount-bench-continuous-ph-ec-tds-temp","title":"HM Digital HydroMaster Portable\/Wall Mount\/Bench Continuous pH\/EC\/TDS\/Temp","description":"\u003cp\u003eHydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH\/EC\/TDS\/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use.\u003c\/p\u003e\n\u003cp\u003eHydroMaster HM-500 pH\/EC\/TDS\/°F Tester (113831)\u003cbr\u003e• Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS from 0-9999 ppm and EC from 0-9999 μS\u003cbr\u003e• Stores up to 20 measurement readings, so you can monitor changes over time\u003cbr\u003e• LCD touch-type screen with auto backlighting\u003cbr\u003e• Powered by a rechargeable lithium ion battery\u003cbr\u003e• Features an adjustable alarm that has a high and low set point\u003cbr\u003e• Automatically turns off after 5 minutes\u003cbr\u003e• Comes with wall mountable bracket, USB cable, 2 flotation disks, 1 EC\/TDS conductivity sensor, 1 pH sensor, 1 packet each pH 4, pH 7, storage solution, and 1000 ppm calibration solution\u003cbr\u003e• 110V-220V\u003c\/p\u003e\n\u003cp\u003eThree year warranty (6 month warranty on the pH probe)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":31405493780516,"sku":"HMD500","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMD500_1.jpg?v=1575590436"},{"product_id":"hydrologic-dm-2-industrial-dual-tds-monitor","title":"Hydrologic DM-2 Industrial Dual TDS Monitor","description":"\u003cp\u003eMeasure the untreated water coming in vs. the purified water going out of your reverse osmosis system at any time. This is important in determining when the RO membranes need to be changed.\u003cbr\u003e\u003cbr\u003eAuto-Off function conserves battery power. The unit shuts off automatically after 20 seconds. \u003cbr\u003e\u003cbr\u003e90 ppm, the resolution is in 10 ppm increments, indicated by a blinking 'x10' image.\u003cbr\u003e\u003cbr\u003eFactory calibrated: all meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated.\u003cbr\u003e\u003cbr\u003eComes equipped with a 1\/2\" inlet and 3\/8\" outlet. Quick Connect T-fittings for Merlin-Garden Pro or Tall Blue-Merlin for quick install.\u003c\/p\u003e","brand":"Hydrologic","offers":[{"title":"Default Title","offer_id":31405494730788,"sku":"HLTDS","price":71.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HLTDS_1.jpg?v=1575590449"},{"product_id":"hanna-primo-tds-tester","title":"Hanna Primo TDS Tester","description":"\u003cp\u003ePrimo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. Each tester is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning and filtration systems.\u003c\/p\u003e\n\u003cp\u003eTemperature is compensated automatically to ensure readings are consistent to the standard or reference temperature.\u003c\/p\u003e\n\u003cp\u003eOperating and routine maintenance has never been easier. Primo TDS uses a single button at the top of the meter. Press it once and the meter is powered and ready for use. Press and hold the button for a few seconds and Primo automatically enters calibration mode. Simply open a sachet of calibration solution, dip the probe in, and within seconds the meter recognizes the calibration solution and calibrates itself!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cli\u003eDirect probe connection\u003c\/li\u003e\n\u003cli\u003eAutomatic calibration\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation\u003c\/li\u003e\n\u003cli\u003eIncludes batteries and instructions\u003c\/li\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405514981412,"sku":"HIPRIMO","price":55.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HIPRIMO_1.jpg?v=1575590732"},{"product_id":"hanna-industrial-grade-ph-tds-controller-w-proportional-control-of-fertilization","title":"Hanna Industrial Grade pH\/TDS Controller w\/Proportional Control of Fertilization","description":"\u003cp\u003eAdd this 2-in-1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hydroponics to your growroom.\u003c\/p\u003e\n\u003cp\u003eThe product measures pH from 0 to 14 and TDS from 0 to 1999 mg\/L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg\/L). The relays are activated when the pH exceeds the set point or TDS falls below the desired value. Two pumps or electrovalves can be wired directly to the controller and be powered through the terminals. Independent proportional settings for pH and TDS can be adjusted from 0 to 90 seconds, 0 to 2.0 for pH, and 0 to 400 mg\/L (ppm) for TDS. A matching pin\/ground probe can be connected to the appropriate terminals to extend electrode life and eliminate interference.\u003c\/p\u003e\n\u003cp\u003eIncluded is an alarm relay, which is activated in several circumstances such as when the pH is below the set points in the operator-adjustable threshold of 0.5 to 2.5 pH, or similarly, TDS exceeds the set point by a value in the 50 to 450 mg\/L (ppm) range. The alarm also goes off if the pH and\/or TDS are not corrected within the operator-determined time frame of 1 to 10 minutes. Moreover, the alarm configuration is switchable from a normally-closed to a normally-open state or turned off during maintenance. The fertilization status can be ascertained from a distance through dosage and alarm LEDs.\u003c\/p\u003e\n\u003cp\u003eUse this product with pH electrodes with a BNC connector and TDS probes with a DIN connector.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405515079716,"sku":"HI9935-1","price":278.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI9935-1_1.jpg?v=1575590735"},{"product_id":"hanna-ec-tds-temperature-meter-high-range","title":"Hanna EC\/TDS\/Temperature Meter HIGH RANGE","description":"\u003cp\u003eHI99301 is a portable, EC\/TDS\/temperature meter that measures high range conductivity in mS\/cm and TDS in ppt. Both instruments are housed in a case rated for IP67 conditions.\u003c\/p\u003e\n\u003cp\u003eThis instrument offers single point, automatic calibration with automatically temperature compensated measurements. The compensation coefficient and EC\/TDS conversion factor are user-selectable from 0.45 to 1.00 and temperature coefficient is selectable from 0.0 to 2.4%\/ºC.\u003c\/p\u003e\n\u003cp\u003eThis meter easily fits in the palm of your hand and the bottom probe connection ensures the electrode cable doesn't get in your way. The large, multi-level LCD displays the primary reading, temperature and calibration guides simultaneously. Symbols and messages on the LCD indicate meter status and guides users through operations.\u003c\/p\u003e\n\u003cp\u003eAt start-up, the meter shows the remaining battery percentage and when a low battery condition is detected, a battery symbol appears on the LCD to advise the user that only a few hours of working time is left.\u003cbr\u003e\u003cbr\u003e\n\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAmperometric probe technology\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation\u003c\/li\u003e\n\u003cli\u003eAutomatic single calibration with calibration indicator\u003c\/li\u003e\n\u003cli\u003eOn-screen tutorial messages for calibration and set-up HOLD\u003c\/li\u003e\n\u003cli\u003eBEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings\u003c\/li\u003e\n\u003cli\u003eBattery % displayed on startup\u003c\/li\u003e\n\u003cli\u003eCompact, heavy-duty and waterproof\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405515178020,"sku":"HI99301","price":278.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI99301_1.jpg?v=1759444663"},{"product_id":"hanna-grochek-ph-ec-tds-temp-combo","title":"Hanna GroChek pH\/EC\/TDS\/Temp Combo","description":"\u003cp\u003eThis indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications.\u003c\/p\u003e\n\u003cp\u003eAt startup, the GroChek performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording.\u003c\/p\u003e\n\u003cp\u003eThis instrument is supplied with a non-clogging double junction pH electrode as well as a rugged conductivity probe that will withstand even the most aggressive environments. The 12V DC adapter makes these instruments ideal for all continuous monitoring applications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge, dual-level backlit LCD\u003c\/li\u003e\n\u003cli\u003eWaterproof\u003c\/li\u003e\n\u003cli\u003eAuto calibration \u0026amp; pH temp. computing\u003c\/li\u003e\n\u003cli\u003eAdjustable TDS ratio and adjustable ?\u003c\/li\u003e\n\u003cli\u003eStability indicator and HOLD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cem\u003eNOTE: This item cannot work with a digital ballast.\u003c\/em\u003e\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405515538468,"sku":"HI991404","price":278.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI991404_1.jpg?v=1575590740"},{"product_id":"hanna-dist-5-ec-tds-meter","title":"Hanna DiST 5 EC\/TDS Meter","description":"\u003cp\u003eWhen the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST's ease of use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA continues the standard in EC and TDS testing with the DiST 5.\u003c\/p\u003e\n\u003cp\u003eThis tester includes features such as a replaceable graphite electrode, adjustable TDS ratio, °C or °F measurement, automatic temperature compensation (ATC) with adjustable ?, battery level indicator, stability indicator, automatic shut-off, and automatic calibration.\u003c\/p\u003e\n\u003cp\u003eThe graphite conductivity electrode provides greater accuracy because it resists contamination by salt deposits in the sample.\u003c\/p\u003e\n\u003cp\u003eAll of these features are packed in a floating, waterproof casing. This 3-in-1 tester is unmatched in EC\/TDS\/ temperature measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-level LCD\u003c\/li\u003e\n\u003cli\u003eReplaceable graphite electrode cartridge\u003c\/li\u003e\n\u003cli\u003eAutomatic calibration\u003c\/li\u003e\n\u003cli\u003eWaterproof—it floats\u003c\/li\u003e\n\u003cli\u003eHigh accuracy\u003c\/li\u003e\n\u003cli\u003eAutomatic calibration and temperature compensation\u003c\/li\u003e\n\u003cli\u003eHOLD function\u003c\/li\u003e\n\u003cli\u003eBEPS (Battery Error Prevention System)\u003c\/li\u003e\n\u003cli\u003eIncludes probe, probe removal tool, batteries, and instructions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405516128292,"sku":"HI98311","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI98311_1.jpg?v=1575590744"},{"product_id":"hanna-dist-1-tds-tester","title":"Hanna DiST 1 TDS Tester","description":"\u003cp\u003eThe waterproof DiST 1 features a large multi-level LCD which displays both TDS and temperature readings simultaneously. An exposed temperature sensor allows for rapid automatic temperature compensated TDS\/PPM measurements. Temperature can be set to display in ? or ?. The LCD screen has stability and calibration tag indicators. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available. TDS readings are performed by an amperometric graphite electrode that resists oxidation, providing better repeatability in measurements. The use of graphite also reduces the polarization effect common with amperometric testers that use two stainless steel pins. Calibration is performed by pressing the dedicated calibration button. Once in calibration mode submerge the probe in 1382 ppm calibration standard. When the standard value is recognized and stability reached, the meter will automatically accept and store the calibration value.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim, Ergonomic Design\u003c\/strong\u003e– With rounded edges and a case that is only 17 mm (0.7”) thick, the HI98301 is thin and fits comfortably in the hand or pocket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Multi-level LCD\u003c\/strong\u003e– The LCD is 29 mm (1.125”) x 20 mm (0.81”) allowing the user to easily read both the TDS and temperature simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-button Operation\u003c\/strong\u003e– One for ON\/OFF, the other for calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposed Temperature Sensor\u003c\/strong\u003e– Exposed temperature sensor allows for quick automatic temperature Compensated measurements. Temperature can be displayed in either C or F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraphite Sensor\u003c\/strong\u003e– Reduces polarization effects and does not oxidize resulting in a reliable and accurate reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Calibration\u003c\/strong\u003e– Automatic calibration at 1382 ppm (mg\/L) with a single push of a button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability Indicator\u003c\/strong\u003e– A clock tag stability indicator will disappear to alert the user when the reading is stable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Shut-off\u003c\/strong\u003e– User-selectable time until meter shuts off to conserve battery life. Options are 8 min, 60 min or disabled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Battery Indicator\u003c\/strong\u003e– Low battery indicator that is displayed when less than 10% battery life is remaining \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery % Level at Startup\u003c\/strong\u003e– At start-up, all the LCD segments are displayed for 1 second, then the percent indication of the remaining battery life is displayed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI98301 is supplied with protective cap, 1382 ppm calibration solution sachet (4), CR2032 battery, instrument quality certificate and instructional manual.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Range\u003c\/td\u003e\n\u003ctd\u003e0 to 2000 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Resolution\u003c\/td\u003e\n\u003ctd\u003e1 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Accuracy\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e0.0 to 50.0°C \/ 32.0 to 122.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Resolution\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003eautomatic, one-point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd\u003eautomatic from 0 to 50°C (32 to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Conversion Factor\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\/Life\u003c\/td\u003e\n\u003ctd\u003eCR2032 3V Li-Ion (1 pc.) \/ approximately 250 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto-off\u003c\/td\u003e\n\u003ctd\u003eafter 8 minutes, 60 minutes, disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e160 x 40 x 17 mm (6.3 x 1.6 x 0.7“)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e68 g (2.4 oz.) without battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405516193828,"sku":"HI98301","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI98301_1.jpg?v=1759444664"},{"product_id":"hanna-continuous-ph-tds-temp-monitor","title":"Hanna Continuous pH\/TDS\/Temp Monitor","description":"\u003cp\u003eDesigned for continuous monitoring of pH, TDS, and temperature, the monitor is simple to install and can be placed above the sample to be tested. pH, TDS, and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance—even in low light. No more switching between parameters.\u003c\/p\u003e\n\u003cp\u003eUsers can easily select the temperature unit (°C or °F) on the back panel.\u003c\/p\u003e\n\u003cp\u003eThe gel-filled pH electrode is provided with a waterproof sleeve to protect the BNC connector. The unique design of the electrode provides longer life in aggressive solutions. The TDS probe is easy to clean and requires little maintenance. Measurements are accurate and the meter can be calibrated at one or two points for pH and at a single point for TDS. Temperature is factory calibrated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cli\u003eSimultaneous display of pH, TDS, and temperature\u003c\/li\u003e\n\u003cli\u003eContinuous measurements\u003c\/li\u003e\n\u003cli\u003eMeasure in °C or °F\u003c\/li\u003e\n\u003cli\u003eThree backlit displays\u003c\/li\u003e\n\u003cli\u003eIncludes pH electrode, TDS probe (fixed), temperature probe (fixed), pH 4.01 buffer solution sachet, pH 7.01 buffer solution sachet, 1382 ppm calibration solution sachet, electrode cleaning solution sachet (2), screwdriver, 12V DC adapter, and instructions\u003c\/li\u003e","brand":"Hanna Instruments","offers":[{"title":"Cont. pH\/TDS\/temp Monitor","offer_id":31405516292132,"sku":"HI9815045","price":249.99,"currency_code":"USD","in_stock":false},{"title":"Continuous pH\/TDS\/temp Monitor","offer_id":32247973347364,"sku":"HI9815047","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI9815045_1.jpg?v=1759444671"},{"product_id":"hanna-grochek-ph-tds-combo-continuous-reading-meter","title":"Hanna GroChek pH \u0026 TDS Combo Continuous Reading Meter","description":"\u003cp\u003eThis continuous reading meter is ideal for agricultural, horticultural, and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCDs.\u003c\/p\u003e\n\u003cp\u003eThe gel-filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc. TDS measurements are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings.\u003c\/p\u003e\n\u003cp\u003eThis model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life. It is compact and easy to install and use, making it ideal for all continuous monitoring applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplays pH \u0026amp; EC simultaneously\u003c\/li\u003e\n\u003cli\u003eAdjustable setpoints\u003c\/li\u003e\n\u003cli\u003eSpace efficient\u003c\/li\u003e\n\u003cli\u003eTwo parameters with a single instrument\u003c\/li\u003e\n\u003cli\u003eAdvanced electrode technology\u003c\/li\u003e\n\u003cli\u003eSimple operation and maintenance\u003c\/li\u003e\n\u003cli\u003eReady to use\u003c\/li\u003e\n\u003cli\u003eIncludes pH electrode, TDS probe, grounding bar, calibration solutions, screwdriver for calibration, 12V DC adapter, and instructions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405516652580,"sku":"HI981404N","price":249.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI981404N_1.jpg?v=1575590753"},{"product_id":"hanna-instruments-grochek-ph-ec-tds-c-portable-meter-w-cal-check","title":"Hanna Instruments GroChek pH\/EC\/TDS\/C Portable Meter w\/Cal Check","description":"\u003cp\u003eHI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries.\u003c\/p\u003e\n\u003cp\u003eThis meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument.\u003c\/p\u003e\n\u003cp\u003eHI 9813-6 includes all the features of the HI 9813-5 while incorporating our exclusive CAL CHECK\u003csup\u003eTM\u003c\/sup\u003e feature. CAL CHECK\u003csup\u003eTM\u003c\/sup\u003e allows the user to easily check the pH probe calibration status at any time.\u003c\/p\u003e\n\u003cp\u003eThis instrument utilizes the HI 1285 series pH\/EC\/TDS\/temperature probe. This probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e• Water resistant\u003cbr\u003e• On-screen tutorial messages for calibration\u003cbr\u003e• Exclusive CAL CHECK\u003csup\u003e™\u003c\/sup\u003e feature; Alerts users of calibration status\u003cbr\u003e• BEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely \u003cbr\u003e  affect readings\u003cbr\u003e• Switch parameters at the touch of a button\u003cbr\u003e• Automatic Temperature Compensation for pH and conductivity\u003cbr\u003e• Simple calibration; dials located on the front panel makes calibration quick and simple, even for \u003cbr\u003e  non-technical users\u003cbr\u003e• Battery % displayed on startup\u003cbr\u003e• Fast response multiparameter probe\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405516816420,"sku":"HI9813-6N","price":213.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI9813-6N_1.jpg?v=1759444671"},{"product_id":"hanna-grochek-ph-ec-tds-c-ppt-pocket-tester","title":"Hanna GroChek pH\/EC\/TDS\/C\/PPT Pocket Tester","description":"\u003cp\u003eHere is a waterproof tester that offers high accuracy pH, EC\/TDS, and temperature measurements in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut-off. pH and EC\/TDS readings are automatically temperature compensated.\u003c\/p\u003e\n\u003cp\u003eThis tester features a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC\/TDS graphite electrode. The extendable cloth junction provides an extended electrode life and the replaceable pH cartridge means that this tester does not need to be thrown away when the pH sensor is exhausted.\u003c\/p\u003e\n\u003cp\u003eThe EC\/TDS conversion factor is user-selectable as well as the temperature compensation coefficient (?).\u003c\/p\u003e\n\u003cp\u003eFast, efficient, accurate and portable, the combo pH, EC\/TDS and temperature tester combines all the features users have requested and more!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-level LCD\u003c\/li\u003e\n\u003cli\u003eMeasures in PPT (parts per trillion)\u003c\/li\u003e\n\u003cli\u003eWaterproof and designed to float\u003c\/li\u003e\n\u003cli\u003eCloth, renewable junction\u003c\/li\u003e\n\u003cli\u003eClose proximity temperature probe\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation\u003c\/li\u003e\n\u003cli\u003eAutomatic 1 or 2 point pH calibration\u003c\/li\u003e\n\u003cli\u003eTactile grip casings\u003c\/li\u003e\n\u003cli\u003eHOLD function\u003c\/li\u003e\n\u003cli\u003eBEPS (Battery Error Prevention System)\u003c\/li\u003e\n\u003cli\u003eBattery % displayed at startup\u003c\/li\u003e\n\u003cli\u003eAutomatic shut-off\u003c\/li\u003e\n\u003cli\u003eEfficient two button operation\u003c\/li\u003e\n\u003cli\u003eTemperature in °C or °F; easily switch between Celsius and Fahrenheit readouts\u003c\/li\u003e\n\u003cli\u003eIncludes electrode, electrode removal tool, batteries, and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eHI98129 Shown Above\u003c\/em\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405516881956,"sku":"HI98130","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI98130_1.jpg?v=1575590757"},{"product_id":"hanna-combo-ph-ec-tds-c-ppm-tester","title":"Hanna Combo pH\/EC\/TDS\/C\/PPM Tester","description":"\u003cp\u003eThis waterproof tester offers high accuracy pH, EC\/TDS, and temperature measurements all in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut-off. pH and EC\/TDS readings are automatically temperature compensated.\u003c\/p\u003e\n\u003cp\u003eThis tester features a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC\/TDS graphite electrode. The extendable cloth junction provides an extended electrode life and the replaceable pH cartridge means that this tester does not need to be thrown away when the pH sensor is exhausted.\u003c\/p\u003e\n\u003cp\u003eThe EC\/TDS conversion factor is user-selectable as well as the temperature compensation coefficient (?).\u003c\/p\u003e\n\u003cp\u003eFast, efficient, accurate and portable, the combo pH, EC\/TDS, and temperature tester combines all the features users have requested and more!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-level LCD\u003c\/li\u003e\n\u003cli\u003eReplaceable pH electrode cartridge\u003c\/li\u003e\n\u003cli\u003eMeasures in PPM (parts per million)\u003c\/li\u003e\n\u003cli\u003eWaterproof and designed to float\u003c\/li\u003e\n\u003cli\u003eCloth, renewable junction\u003c\/li\u003e\n\u003cli\u003eClose proximity temperature probe\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation\u003c\/li\u003e\n\u003cli\u003eAutomatic 1 or 2 point pH calibration\u003c\/li\u003e\n\u003cli\u003eTactile grip casings\u003c\/li\u003e\n\u003cli\u003eHOLD function\u003c\/li\u003e\n\u003cli\u003eBEPS (Battery Error Prevention System)\u003c\/li\u003e\n\u003cli\u003eBattery % displayed at startup\u003c\/li\u003e\n\u003cli\u003eAutomatic shut-off\u003c\/li\u003e\n\u003cli\u003eEfficient two button operation\u003c\/li\u003e\n\u003cli\u003eTemperature in °C or °F; easily switch between Celsius and Fahrenheit readouts\u003c\/li\u003e\n\u003cli\u003eComes with electrode, electrode removal tool, batteries, and instructions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405516914724,"sku":"HI98129","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI98129_1.jpg?v=1759444679"},{"product_id":"hanna-ph-ec-tds-c-portable-meter","title":"Hanna PH\/EC\/TDS\/C Portable Meter","description":"\u003cp\u003eExperience ease and simplicity in taking pH, µS\/cm, ppm (mg\/L), and temperature measurements with this pH\/EC\/TDS waterproof meter, which is ideal for hydroponics, greenhouses, farming, and groundwater applications.\u003c\/p\u003e\n\u003cp\u003eDue to the built-in temperature sensor, conductivity readings are automatically compensated for temperature changes. The temperature coefficient is fixed at 2%\/°C.\u003c\/p\u003e\n\u003cp\u003eNo probe changes are required when switching your measured parameter between pH, conductivity, and TDS. These multiparameter meters reduce the number of instruments required for daily water quality analysis.\u003c\/p\u003e\n\u003cp\u003eThe specially engineered pH\/EC\/TDS and temperature probe utilizes a fiber junction and gel electrolyte which provide a fast response and reduced contamination. This combination makes the meter particularly designed to withstand harsh environments such as fertilizer solutions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eOn-screen tutorial messages for calibration\u003c\/li\u003e\n\u003cli\u003eSwitch parameters at the touch of a button\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation for pH and conductivity\u003c\/li\u003e\n\u003cli\u003eSimple calibration; dials located on the front panel makes calibration quick and simple, even for non-technical users\u003c\/li\u003e\n\u003cli\u003eBEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings\u003c\/li\u003e\n\u003cli\u003eBattery % displayed on startup\u003c\/li\u003e\n\u003cli\u003eFast response probe included\u003c\/li\u003e\n\u003cli\u003eLarge LCD\u003c\/li\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405519077412,"sku":"HI9811-5N","price":285.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI9811-5N_1.jpg?v=1575590772"},{"product_id":"hanna-conductivity-tds-probe-for-soil-measurement-of-hi993310","title":"Hanna Conductivity\/TDS Probe for Soil Measurement of HI993310","description":"\u003cp\u003eStainless steel conductivity probe with internal temperature sensor, DIN connector and 1 m (3.3') cable for direct soil measurement.\u003c\/p\u003e\n\u003cp\u003eFor use with HI993310 only.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405519929380,"sku":"HI76305","price":78.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI76305_1.jpg?v=1575590788"},{"product_id":"hanna-1500-ppm-tds-solution-16-oz","title":"Hanna 1500 ppm TDS Solution, 16 oz","description":"\u003cp\u003eHanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in packaging designed to keep air and light from damaging the solution.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405520846884,"sku":"HI70442L","price":19.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI70442L_1.jpg?v=1759444704"},{"product_id":"hanna-1382-ppm-tds-solution-460-ml","title":"Hanna 1382 ppm TDS Solution, 460 ml","description":"\u003cp\u003eHanna Instruments' testing solution, ideal for gardening, laboratory work, and field experiments, comes in a bottle designed to keep air and light from damaging the solution.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405520977956,"sku":"HI7032L","price":16.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI7032L_1.jpg?v=1575590808"},{"product_id":"hanna-ec-tds-probe-for-hi981409-hi981410","title":"Hanna EC\/TDS Probe for HI981409 \u0026 HI981410","description":"\u003cp\u003eEC\/TDS Probe for HI981409 \u0026amp; HI981410 with DIN connector measures 24 cm (9.4\"). The meter switches off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed.\u003c\/p\u003e\n\u003cp\u003eCalibration with this meter is easy and completely automatic. Simply press and hold the on\/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait until it is calibrated. No extra buttons to push or dials to turn! Can even be used to mix the fertilizer solution. \u003c\/p\u003e\n\u003cp\u003eThe tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cli\u003eLightweight—it floats\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eIdeal for mixing fertilizer\u003c\/li\u003e\n\u003cli\u003eAutomatic calibration\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation\u003c\/li\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":31405522386980,"sku":"HI1220","price":85.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HI1220_1.jpg?v=1575590841"},{"product_id":"batteries-for-pro-ph-tds-pen-or-thirsty-light-1-4v-pack-of-4-batteries","title":"Batteries for PRO pH\/TDS pen or Thirsty Light, 1.4V (pack of 4 batteries)","description":"\u003cp\u003eStock up on batteries for your pH\/TDS pen and never be without. The tiny battery discs hardly take up any room—you can even store them right in your pen case so you're always prepared. \u003c\/p\u003e\n\u003cp\u003eAlso work as replacement batteries for your Thirsty Light.\u003c\/p\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":31405541687332,"sku":"HGPROBAT","price":6.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HGPROBAT_1.jpg?v=1575591095"},{"product_id":"groline-waterproof-portable-ph-ec-tds-meter","title":"GroLine Waterproof Portable pH\/EC\/TDS Meter","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection id=\"product-details\" class=\"grid-container product-details\" data-product-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"product_description\"\u003e\n\u003cp\u003eDesigned to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated temperature sensor, and cloth junction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne combined, pre-amplified pH, EC, and TDS (ppm) probe for hassle-free measurements.\u003c\/li\u003e\n\u003cli\u003eQuick CAL mode for a speedy, single-point calibration for pH and EC with one solution.\u003c\/li\u003e\n\u003cli\u003eDesigned for hydroponic, aquaponic, and greenhouse growers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv id=\"sticky-add-to-cart\" data-sticky-container=\"\" class=\"sticky-container\"\u003e\n\u003cdiv class=\"sticky promo-active is-at-top is-stuck\" data-sticky=\"\" data-options=\"marginTop:0; marginBottom: 0; stickyOn: small; stickTo:top; topAnchor:hs_cos_wrapper_contents; btmAnchor:mast-footer\" data-resize=\"ggs2tx-sticky\" data-mutate=\"ggs2tx-sticky\" data-e=\"iip020-e\" data-events=\"mutate\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\u003cform class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell hide-for-small-only xlarge-auto align-self-middle\"\u003e\u003cspan class=\"h5\"\u003eGroLine Waterproof Portable pH\/EC\/TDS Meter\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell hide-for-small-only medium-6 xlarge-shrink\" data-product-options=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_1562183226320\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection class=\"banner--product-col2-details grid-container\"\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eProbe Condition\u003c\/h4\u003e\n\u003cp\u003eAn on-screen indicator provides visual confirmation that your probe is working at its best.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eLow Battery Indicator\u003c\/h4\u003e\n\u003cp\u003eThe included batteries provide 600 hours of continuous use. When the battery level is below 10%, a warning symbol will blink to indicate low battery condition. When low battery power may affect your results, the meter will shut down to avoid erroneous readings caused by low battery level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAutomatic Shut-off\u003c\/h4\u003e\n\u003cp\u003eThe auto-off feature can be set to shut the meter off at 8 or 60 minutes, or it can be disabled so that the meter continuously stays on. The auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eBuilt to be Durable\u003c\/h4\u003e\n\u003cp\u003eDesigned to withstand the knocks, drops, and spills of real life, the new IP67 body ensures top performance in any environment. These meters are protected against dust and water intrusion from any direction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePortable Design\u003c\/h4\u003e\n\u003cp\u003eMade to fit comfortably in your hand for on-the-go testing, the multilevel LCD display provides at-a-glance pH, EC\/TDS, and temperature measurements from any angle and dual button operation streamlines the testing process for any user.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eQuick Connect Probe\u003c\/h4\u003e\n\u003cp\u003eA Quick Connect DIN connector makes attaching and removing the probe simple and easy. The rubber coating protects the cable and provides a water-tight seal without twisting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eYour measurements require detailed attention; so should your electrode. The HI9814 Portable GroLine Meter features a replaceable HI1285-7 probe that has been carefully designed specifically for the pH, EC, and TDS analysis of hydroponic nutrient solutions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePolypropylene Body \u003c\/h4\u003e\n\u003cp\u003eThe polypropylene body of the HI11285-7 houses all three sensors within a sturdy, single body design. The plastic body protects the electrode from damage, is easy to clean, and is chemically resistant to many aggressive chemicals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePre-Amplified pH Electrode\u003c\/h4\u003e\n\u003cp\u003eThe pH sensor in the probe is a single junction electrode with gelled electrolyte and a retractable cloth junction. When readings appear sluggish, simply pull out some of the cloth material to renew the junction with a fresh surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAmperometric EC\/TDS Sensor \u003c\/h4\u003e\n\u003cp\u003eThe EC\/TDS portion is a two-ring probe that comes with the HI9814, offering an accurate solution for low range EC and TDS readings. An integrated temperature probe ensures fast, accurately compensated readings even during sudden temperature fluctuations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eWe believe that buying a meter should be simple. Your Portable GroLine Meter is equipped with everything you need for successful testing right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eQuick Calibration Solution Sachets (3)\u003c\/h4\u003e\n\u003cp\u003eA single calibration solution for pH and conductivity makes calibration fast and ensures all of your measurements are accurate each time for better plant health and better yield. The single-use sachets are individually sealed so you use fresh buffer each time you calibrate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eElectrode Cleaning Solution for Agricultural Applications Sachets (3)\u003c\/h4\u003e\n\u003cp\u003eYour GroLine Combo Meter comes with cleaning solution that has been engineered to keep your electrode free from debris found in soils. This concentrated combination of detergents cleans your meter quickly and effectively so that your meter stays in optimum condition\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"\"\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003esku\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI9814\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, 1 or 2 point, choose from: 4.01; 7.01; 10.0 pH buffers - one-point calibration using quick calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003emV Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±825 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003emV Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003emV Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0 °C \/ 23.0 to 221.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C \/ 0.1 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C \/ ±1.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 6.00 mS\/cm (EC) **\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one-point at 1.41 mS\/cm or 5.00 mS\/cm - one-point calibration using quick calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 3000 ppm (0.5 CF)\/0 to 3990 ppm (0.7 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 (500 ppm) or 0.7 (700 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH - Automatic EC - Automatic, with β=1.9%\/ °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V AAA batteries (3 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 600 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F) RH max. 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e196 g (6.91 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplied with HI1285-7 multiparameter probe, HI50036-0 Quick Cal buffer solution sachet (3), HI700661 pH electrode cleaning solution sachet for agriculture (3), 1.5 AAA batteries (3), and instructions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI1285-7 polypropylene body, pre-amplified multiparameter probe with internal temperature sensor, DIN connector and 1m cable (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32539257733156,"sku":"HI9814","price":259.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/hi9814-meter-no-probe.jpg?v=1609365432"},{"product_id":"groline-phectds-multiparameter-probe","title":"GroLine pH\/EC\/TDS Multiparameter Probe","description":"\u003cp\u003eThe HI1285-8 multiparameter probe measures pH, EC\/TDS, and temperature in one convenient, rugged probe.\u003cbr\u003e\n \u003cbr\u003e\nUse with the HI981420 GroLine Monitor to provide around-the-clock, continuous monitoring of pH, conductivity (EC \u0026amp; TDS), and temperature in hydroponic nutrient solutions.\u003cbr\u003e\n \u003cbr\u003e\nOne probe. Three measurements.\u003cbr\u003e\nBuilt-in temperature sensor ensures fast, accurately compensated readings even during sudden temperature fluctuations.\u003cbr\u003e\nSpecialized for hydroponics with a renewable junction for extended life.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601681920036,"sku":"HI1285-8","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/groline-ph-ec-tds-multiparameter-probe-full-view-hi1285-8__83739.1559321309.1280.1280_436158d3-d9fb-4fd6-9f95-abe52ea0aba3.jpg?v=1611603592"},{"product_id":"groline-phectds-multiparameter-probe-inline","title":"GroLine pH\/EC\/TDS Multiparameter Probe (Inline)","description":"\u003cp\u003eThe HI1285-9 inline multiparameter probe measures pH, EC\/TDS, and temperature in one convenient, rugged probe. Use with the HI981421 GroLine Monitor to provide around-the-clock, continuous monitoring of pH, conductivity (EC \u0026amp; TDS), and temperature in hydroponic nutrient solutions.\u003cbr\u003e\n \u003cbr\u003e\nIn-line pH, EC, \u0026amp; TDS probe with exclusive PTFE non-clogging membrane.\u003cbr\u003e\nBuilt-in temperature sensor ensures fast, accurately compensated readings even during sudden temperature fluctuations.\u003cbr\u003e\nSpecialized for hydroponics with a renewable junction for extended life.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601681985572,"sku":"HI1285-9","price":339.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/hi981421_probe__48683.1559321313.1280.1280_6782dd2e-aa56-484d-8412-1fab6de51f87.jpg?v=1611603593"},{"product_id":"phectds-multiparameter-probe-for-use-with-hi9814","title":"pH\/EC\/TDS Multiparameter Probe for use with HI9814","description":"\u003cp\u003eThe HI1285-7 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC\/TDS, and temperature within a single polypropylene body. The pH portion of this probe is constructed with a cloth junction, maintenance-free polymer gel electrolyte, and a low-temperature glass sensing bulb. The EC\/TDS portion of this probe utilizes two stainless steel pins for an amperometric determination of conductivity and total dissolved solids. A built-in temperature sensor ensures that both pH and EC\/TDS readings are compensated for temperature variations in both standards and samples. The design consideration for the HI1285-7 is ideal for measuring the pH, EC\/TDS, and temperature in greenhouses, hydroponics, and other agricultural applications. The HI1285-7 is designed for use with Hanna's HI9814 portable multiparameter meter.\u003cbr\u003e\n \u003cbr\u003e\nPre-amplified pH Electrode\u003cbr\u003e\nAmperometric EC\/TDS Sensor\u003cbr\u003e\n1 probe for pH \u0026amp; EC\/TDS\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601682083876,"sku":"HI1285-7","price":184.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/hi1285-7-hanna-side_2100x2100_300_cmyk__57134.1559321304.1280.1280_1589dc18-b024-4e75-929b-beeabd8df76d.jpg?v=1611603595"},{"product_id":"groline-hydroponic-waterproof-pocket-phectdstemperature-tester","title":"GroLine Hydroponic Waterproof Pocket pH\/EC\/TDS\/Temperature Tester","description":"\u003cp\u003eThe HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two-button meter operation and advanced features, including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm). for your essential testing.\u003cbr\u003e\n \u003cbr\u003e\nAll measurements in a single, hassle-free tester.\u003cbr\u003e\nQuick Cal solutions to calibrate pH and conductivity all at once with a single solution.\u003cbr\u003e\nPerfect for hydroponics, greenhouse, and agriculture use.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601682346020,"sku":"HI98131","price":214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/groline-ph-ec-tds-tester--hi98131__62533.1567002974.1280.1280_5d97bd9f-a0eb-44d8-91a5-956b118daa0c.jpg?v=1611603600"},{"product_id":"groline-waterproof-ectds-ppm-tester","title":"GroLine Waterproof EC\/TDS (ppm) Tester","description":"\u003cp\u003eThe HI98318 is our latest pocket meter for measuring the EC\/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7\" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a very large easy to read LCD display that shows both EC or TDS and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on\/off and the other for automatic one point calibration.\u003cbr\u003e\n \u003cbr\u003e\nGraphite Sensor for Reduced Polarization Effect\u003cbr\u003e\nTwo-Button Operation\u003cbr\u003e\nQuick Calibration Mode using Hanna pH\/EC Quick Cal Solution.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601682706468,"sku":"HI98318","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/groline-waterproof-ec-tds-ppm-tester-front-view-hi98318__72154.1559321308.1280.1280_40bfdd29-ec96-4ce3-b59c-7189ee840509.jpg?v=1611603602"},{"product_id":"soil-tes-direct-soil-conductivity-tester","title":"Soil Test Direct Soil Conductivity Tester","description":"\u003cp\u003eThe HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conductivity measurements in soil.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo need for soil slurries with the steel penetration electrode.\u003c\/li\u003e\n\u003cli\u003eIntegrated temperature sensor for automatic temperature compensation.\u003c\/li\u003e\n\u003cli\u003eGreat for environmental and agricultural testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDigital Soil Moisture Meter for Accurate Soil Health Monitoring\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHanna HI98331 Soil Test™\u003c\/strong\u003e is a compact, professional-grade tool designed to give instant, reliable readings of \u003cstrong\u003esoil conductivity (EC)\u003c\/strong\u003e and \u003cstrong\u003etemperature\u003c\/strong\u003e—no messy soil slurries, no guesswork. Built for farmers, gardeners, and environmental pros who need data they can trust in the field.\u003c\/p\u003e\n\u003ch3\u003eWhy It's Smarter Than a Basic Soil Moisture Meter:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e💧 Direct Soil EC Measurement:\u003c\/strong\u003e Built-in stainless steel probe penetrates soil for real-time results—skip the lab prep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🌡️ Automatic Temperature Compensation:\u003c\/strong\u003e Delivers accurate EC readings regardless of environmental conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🧰 Pocket-Sized \u0026amp; Rugged:\u003c\/strong\u003e Durable design fits in your hand or pocket, perfect for on-the-go testing in any terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🧠 One-Button Operation:\u003c\/strong\u003e Simple interface with automatic calibration—ideal for beginners and seasoned pros alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🔋 Long Battery Life:\u003c\/strong\u003e Runs on 2 AAA batteries (included) with up to 500 hours of testing time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works:\u003c\/h3\u003e\n\u003cp\u003ePush the probe directly into the soil, press the power button, and get instant readings for \u003cstrong\u003eelectrical conductivity\u003c\/strong\u003e and \u003cstrong\u003esoil temperature\u003c\/strong\u003e. The built-in temperature sensor ensures every reading is adjusted for environmental changes, providing highly accurate results wherever you test.\u003c\/p\u003e\n\u003ch3\u003eWho This Is For:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🌱 \u003cstrong\u003eFarmers \u0026amp; Agronomists\u003c\/strong\u003e – Optimize irrigation and fertilizer strategies with real-time soil data.\u003c\/li\u003e\n\u003cli\u003e🌿 \u003cstrong\u003eGardeners\u003c\/strong\u003e – Monitor and improve plant performance in raised beds, pots, or home gardens.\u003c\/li\u003e\n\u003cli\u003e🏞️ \u003cstrong\u003eEnvironmental Field Scientists\u003c\/strong\u003e – Collect consistent data without the need for soil processing.\u003c\/li\u003e\n\u003cli\u003e🏗️ \u003cstrong\u003eLandscapers\u003c\/strong\u003e – Keep turf and plantings healthy with quick on-site diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eWhat Customers Say:\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e“Absolutely essential for our greenhouse trials. Quick, reliable, and never lets us down.”\u003c\/strong\u003e\u003cbr\u003e– Jordan R., Commercial Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e“Really impressed with how easy this is to use in the field—no mess, no hassle.”\u003c\/strong\u003e\u003cbr\u003e– A. Kim, Eco‑Researcher\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I use it in clay or sandy soils?\u003c\/strong\u003e\u003cbr\u003eYes! The stainless-steel probe works across all common soil types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow often should I calibrate it?\u003c\/strong\u003e\u003cbr\u003eIt auto-calibrates on startup. Manual calibration is only needed every 6 months for heavy users.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it waterproof?\u003c\/strong\u003e\u003cbr\u003eIt’s not waterproof, but it’s splash-resistant and built to withstand typical field use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it measure moisture directly?\u003c\/strong\u003e\u003cbr\u003eNo. It measures EC, which strongly correlates with soil moisture and nutrient levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat kind of batteries does it take?\u003c\/strong\u003e\u003cbr\u003eTwo AAA batteries (included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGet Better Soil Data — Fast.\u003c\/h3\u003e\n\u003cp\u003eDon’t settle for vague readings from analog tools. With the Hanna HI98331, you’ll make smarter decisions with clearer, real-time insights into your soil’s conductivity and temperature.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601682739236,"sku":"HI98331","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/ec-direct-soil-tester-groline-hi98331__66312.1566586254.1280.1280_ddbd82ae-29de-40a4-b203-fbf573d327da.jpg?v=1611603603"},{"product_id":"quick-calibration-solution-for-groline-ph-and-ec-meters-25-x-20-ml-sachets","title":"Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets)","description":"\u003cp\u003eHI50036P is a quick calibration solution for use with Hanna's GroLine pH and\/or EC\/TDS meters. Using the Quick Cal function found in compatible meters allows for  a single point calibration for pH and\/or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50036P is for 25 sachets containing 20 mL of calibration solution.\u003cbr\u003e\n \u003cbr\u003e\nSingle use so that fresh solution is always used for accurate calibration\u003cbr\u003e\nTwo calibration solutions for the price of one\u003cbr\u003e\nExpiration date stamped on packet.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601682837540,"sku":"HI50036P","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/quick-calibration-solution-for-groline-ph-and-ec-meters-25-sachets-of-20-ml-hi50036p__08204.1559321299.1280.1280__88141.1568914168.1280.1280_b99877ea-b800-46cb-9596-2625f76685f8.jpg?v=1611603605"},{"product_id":"quick-calibration-solution-for-groline-ph-and-ec-meters-230-ml","title":"Quick Calibration Solution for GroLine pH and EC Meters (230 ml)","description":"\u003cp\u003eHI5036-023 is a quick calibration solution for use with Hanna's GroLine pH and\/or EC\/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and\/or conductivity sensors. Each bottle has the lot number and expiration date. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. 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Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and\/or conductivity sensors. Each bottle has the lot number and expiration date. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. 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The keypad is sensitive enough to be used with laboratory gloves and has a fast response.\u003cbr\u003e\nedge® features a 5.5” LCD display that you can clearly view from over 5 meters away. The large display and it’s wide 150° viewing angle provide one of the easiest to read LCD’s in the industry.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":32601684475940,"sku":"HI2003-01","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/edge-dedicated-conductivity-tds-salinity-meter-hi2003-01__19566.1559321306.1280.1280_8b785c58-4d61-4685-827e-d376caddaa08.jpg?v=1611603253"},{"product_id":"phectds-multiparameter-probe","title":"pH\/EC\/TDS Multiparameter Probe","description":"\u003cp\u003eThe HI1285-5 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC\/TDS, and temperature within a single polypropylene body. 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Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment and more. The COM-100 is a professional level EC\/TDS meter at an unbeatable price.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":39388258271268,"sku":"ZP-HMCOM100","price":59.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/products\/HMCOM100_d1c1620c-aa64-4510-9c45-d4d4ccc47863.jpg?v=1619643452"},{"product_id":"soil-moisture-meter","title":"Soil Moisture Meter","description":"\u003cp\u003eElectronic Soil Moisture Testing Meter HG601 allows you to know precisely when you need to water the garden. Find out what your garden or lawn needs with a little help from our soil moisture test kit. No need for batteries or preparation; you simply plug our soil tester in the soil area you want to check and instantly get an accurate and precise reading. Our premium soil tester saves you both precious time and money by helping you maintain your soil and consequently keeping your garden or lawn in tip-top condition. For indoor and outdoor use. Convenient to use, simple to operate and accurate results.\u003c\/p\u003e\n\n\u003cp\u003eThe Zenport HG601 soil moisture testing meter allows you to know precisely when you need to water the garden\u003cbr\u003e\nFind out what your garden or lawn needs with a little help from our soil moisture test kit\u003cbr\u003e\nNo need for batteries or preparation; you simply plug our soil tester in the soil area you want to check and instantly get an accurate and precise reading\u003cbr\u003e\nOur premium soil tester saves you both precious time and money by helping you maintain your soil and consequently keeping your garden or lawn in tip-top condition\u003cbr\u003e\nFor indoor and outdoor use. 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