{"product_id":"ac-infinity-ph-meter-pro-kit-interchangeable-probe","title":"AC Infinity pH Meter PRO Kit, Interchangeable Probe","description":"\u003cp\u003eStop guessing and start growing with precision. The AC Infinity pH Meter PRO Kit delivers ±0.01 accuracy pH and temperature readings in a rugged, IP67-rated body — with an interchangeable lithium glass membrane probe that extends the life of your meter indefinitely. Whether you're dialing in your hydroponic reservoir, monitoring a greenhouse irrigation system, or testing your brewing water, this lab-grade kit gives you the confidence that your readings are right every time.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the AC Infinity pH Meter PRO Kit\u003c\/h2\u003e\n\n\u003cp\u003eMost pH meters force you to replace the entire unit when the probe degrades — an expensive and wasteful cycle that serious growers shouldn't have to deal with. The AC Infinity pH Meter PRO Kit solves this with a fully interchangeable lithium glass membrane probe: when accuracy drifts, swap the probe and you're back to lab-grade precision without buying a new meter. This design makes the PRO Kit a long-term investment rather than a consumable.\u003c\/p\u003e\n\n\u003cp\u003eThe included calibration kit — with 4.00, 7.00, and 10.01 pH buffer solutions plus KCL storage solution — ensures your meter stays accurate across its full measurement range. The IP67 waterproof rating means it handles the wet, humid conditions of a grow room or greenhouse without hesitation. From cannabis cultivation to aquaculture to homebrewing, the PRO Kit is built for growers and professionals who need reliable data, not approximations.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e±0.01 pH Accuracy\u003c\/strong\u003e – Lab-grade precision ensures your nutrient solution, irrigation water, or reservoir pH is measured correctly every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable Lithium Glass Membrane Probe\u003c\/strong\u003e – Replace only the probe when it wears out, extending the meter's lifespan and eliminating the need to buy a new unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual pH \u0026amp; Temperature Sensing\u003c\/strong\u003e – Measures both pH and water temperature simultaneously for a complete picture of your water quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Waterproof Rating\u003c\/strong\u003e – Fully protected against dust and submersion, making it reliable in wet grow environments, outdoor gardens, and poolside use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Lab-Grade Calibration Kit\u003c\/strong\u003e – Includes 4.00, 7.00, and 10.01 pH buffer solutions plus KCL storage solution for accurate, long-lasting calibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application Range\u003c\/strong\u003e – Suitable for hydroponics, soil grows, greenhouses, aquariums, pools, spas, and homebrewing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Ergonomic Design\u003c\/strong\u003e – At 1.65 x 1.30 x 7.01 inches, the meter is easy to handle and store without taking up bench space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUse Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic Reservoir Management\u003c\/strong\u003e – Test and adjust nutrient solution pH daily to maintain the optimal range (typically 5.5–6.5) for maximum nutrient availability and plant uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil \u0026amp; Coco Grow Monitoring\u003c\/strong\u003e – Measure runoff or soil slurry pH to identify lockout conditions and correct imbalances before they affect plant health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenhouse Irrigation Systems\u003c\/strong\u003e – Monitor irrigation water pH at the source and at the dripper to ensure consistent delivery across large-scale greenhouse operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium \u0026amp; Aquaculture\u003c\/strong\u003e – Maintain stable pH levels in fish tanks, aquaponic systems, and aquaculture facilities where water chemistry directly impacts livestock health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePool \u0026amp; Spa Water Testing\u003c\/strong\u003e – Quickly verify pool and spa pH to ensure safe, comfortable water and effective sanitizer performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHomebrewing \u0026amp; Beverage Production\u003c\/strong\u003e – Monitor mash, wort, or fermentation pH to hit target ranges that affect flavor, clarity, and yeast performance in beer, wine, and kombucha production.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDirections for Use\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBefore first use, calibrate the meter using the included 4.00, 7.00, and 10.01 pH buffer solutions following the calibration procedure in the product manual.\u003c\/li\u003e\n\u003cli\u003eRemove the probe cap and rinse the probe tip with clean distilled or deionized water before each measurement.\u003c\/li\u003e\n\u003cli\u003eSubmerge the probe tip in the sample solution and wait for the reading to stabilize on the display.\u003c\/li\u003e\n\u003cli\u003eRecord the pH and temperature readings, then rinse the probe again with clean water after use.\u003c\/li\u003e\n\u003cli\u003eStore the probe in KCL storage solution (included) between uses to maintain the glass membrane's sensitivity and extend probe life.\u003c\/li\u003e\n\u003cli\u003eRecalibrate regularly — at minimum before each grow cycle or whenever readings seem inconsistent.\u003c\/li\u003e\n\u003cli\u003eWhen probe accuracy degrades beyond calibration correction, replace the interchangeable probe rather than the entire meter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Growers Are Saying\u003c\/h2\u003e\n\n\u003cblockquote\u003e\n\u003cp\u003e\"The interchangeable probe is the feature that sold me. I've had this meter for two grow cycles and just swapped the probe — reads like new. Best pH meter I've owned.\"\u003c\/p\u003e\n\u003cp\u003e— Marcus T., Commercial Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003cblockquote\u003e\n\u003cp\u003e\"Accuracy is spot on and the IP67 rating means I don't have to baby it in the greenhouse. The calibration kit included is a nice touch — everything you need right out of the box.\"\u003c\/p\u003e\n\u003cp\u003e— Sarah P., Greenhouse Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003cblockquote\u003e\n\u003cp\u003e\"I use this for both my hydro setup and my homebrew. The dual pH and temp reading is super convenient and the ±0.01 accuracy gives me confidence in my numbers.\"\u003c\/p\u003e\n\u003cp\u003e— Daniel R., Home Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat makes this pH meter different from standard pH pens?\u003c\/strong\u003e\u003cbr\u003e\nThe key differentiator is the interchangeable lithium glass membrane probe. Standard pH pens require you to replace the entire unit when the probe degrades. With the PRO Kit, you simply swap the probe and continue using the same meter — saving money and reducing waste over time. The included full calibration kit and IP67 rating further set it apart from entry-level options.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I calibrate the pH meter?\u003c\/strong\u003e\u003cbr\u003e\nFor best accuracy, calibrate before each grow cycle or whenever readings seem off. At minimum, perform a two-point calibration (4.00 and 7.00 pH) regularly. The included buffer solutions make this quick and straightforward.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I store the probe between uses?\u003c\/strong\u003e\u003cbr\u003e\nStore the probe submerged in the included KCL storage solution between uses. This keeps the glass membrane hydrated and maintains its sensitivity. Never store the probe dry, as this can permanently damage the membrane.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen should I replace the probe?\u003c\/strong\u003e\u003cbr\u003e\nReplace the probe when readings become slow to stabilize, drift significantly, or can no longer be corrected through calibration. Probe lifespan varies based on usage frequency and the solutions being tested, but regular KCL storage significantly extends probe life.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this meter suitable for testing nutrient solutions with high EC?\u003c\/strong\u003e\u003cbr\u003e\nYes — the AC Infinity pH Meter PRO Kit is designed for horticultural use including nutrient-rich hydroponic solutions. Rinse the probe thoroughly with clean water after testing high-EC solutions to prevent residue buildup on the membrane.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the waterproof rating and what does it mean?\u003c\/strong\u003e\u003cbr\u003e\nThe meter is rated IP67, meaning it is fully protected against dust ingress and can withstand submersion in water up to 1 meter deep for up to 30 minutes. This makes it safe to use in wet grow environments, outdoor gardens, and poolside without risk of damage from splashing or brief submersion.\u003c\/p\u003e\n\nMore about AC Infinity pH Meter PRO Kit, Interchangeable Probe:\n\n\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced pH Reader:\u003c\/strong\u003e This water quality assessment tool is designed to monitor and maintain proper pH levels. It measures the acidity, alkalinity, and temperature of water for a variety of uses, including gardens, aquariums, pools, and more.\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Sensor Probe:\u003c\/strong\u003e Equipped with a sensitive glass membrane, this sensor probe can be easily replaced, ensuring instant and precise pH readings. The probe's high accuracy ensures the timely identification of water quality issues.\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\n\u003cstrong\u003eResilient Design:\u003c\/strong\u003e Rated IP-67, this device is fortified against high-volume moisture, dust, and sand, and can also withstand high temperatures. This product is built to be durable and reliable, regardless of the environment it is used in.\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-Grade Test Kit:\u003c\/strong\u003e Included in the package are ready-to-use KCL, 4.00, 7.00 \u0026amp; 10.01 solutions for long-lasting precision. These solutions help maintain the accuracy and longevity of this pH and PPM meter.\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-Replace Probe:\u003c\/strong\u003e Ensuring ongoing accuracy and speed with each reading, the pH monitor sensor probe can be effortlessly replaced. This feature extends the device's lifespan and eliminates the need to buy an entirely new unit. Simply install a replacement probe to continue monitoring your water quality without interruption.\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e This nutrient test alkalinity meter is designed to determine how well your water uptakes nutrients, making it suitable for various settings. It's perfect for horticultural use in gardens, greenhouses, and hydroponics systems. It also works well as a standard pH level tester for swimming pools, spas, aquarium fish tanks, beverage homebrewing applications, and similar utilities requiring a safety assessment of water.\u003c\/li\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\u003cstrong\u003eProduct Identification\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e AC Infinity Inc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e pH Meter PRO Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Model:\u003c\/strong\u003e AC-PHM5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC Code:\u003c\/strong\u003e 819137023987\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Dimensions:\u003c\/strong\u003e 1.65 x 1.30 x 7.01 in. (4.2 x 3.3 x 17.8 cm)\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e\u003cstrong\u003eProduct Performance and Technical Specs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e pH and Temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e Interchangeable Lithium Glass Membrane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReadings Precision:\u003c\/strong\u003e ±0.01 Accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Solutions:\u003c\/strong\u003e 4.00 pH, 7.00 pH, 10.01 pH, KCL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating:\u003c\/strong\u003e IP67\u003c\/li\u003e","brand":"Grow Tents Depot","offers":[{"title":"Default Title","offer_id":42544229941284,"sku":"AC-PHM5","price":121.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/files\/StorePhoto1__73340.jpg?v=1755900385","url":"https:\/\/www.growitdepot.com\/products\/ac-infinity-ph-meter-pro-kit-interchangeable-probe","provider":"Grow It Depot","version":"1.0","type":"link"}