Skip to content
Search
Shop Categories
Commercial Grow Lights
Environmental Controllers
Bulk Rates
About Us
Contact Us
Account
Site navigation
Search
Search
Cart
Menu
Site navigation
Shop Categories
Commercial Grow Lights
Environmental Controllers
Bulk Rates
About Us
Contact Us
Account
Item added to cart.
View cart and check out
.
Close
Close
Ship time estimates at checkout are inaccurate. Most orders take 3 to 5 business days to ship.
Close
Meters & Solutions
Filter by
All
aaron
coco
controllers
eligible-for-discount
Meters & Solutions
meters-&-solutions
new releases
ph-ec-tds-meters-and-solutions
spl_hf
spl_hi
Sort by
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Hanna Instruments
pH 4.01 Calibration Solution (230 mL)
Regular price
$12
View
Hanna Instruments
pH/EC/TDS Multiparameter Probe
Regular price
$149.99
View
Hanna Instruments
edge Dedicated Dissolved Oxygen Meter
Regular price
$749.99
View
Hanna Instruments
GroLine General Purpose Cleaning Solution (500 mL)
Regular price
$24.99
View
Hanna Instruments
GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle)
Regular price
$24.99
View
Hanna Instruments
GroLine Electrode Storage Solution (230 mL)
Regular price
$19.99
View
Hanna Instruments
Quick Calibration Solution for GroLine pH and EC Meters (230 ml)
Regular price
$19.99
View
Hanna Instruments
Direct Soil and Soilless Media pH electrode for use with HI9814
Regular price
$259.99
View
Hanna Instruments
pH/EC/TDS Multiparameter Probe for use with HI9814
Regular price
$184.99
View
Hanna Instruments
GroLine pH/EC/TDS Multiparameter Probe
Regular price
$209.99
View
Hanna Instruments
GroLine Monitor for Hydroponic Nutrients
Regular price
$479.99
View
Bluelab
Bluelab Connect Range Extender 2
Regular price
$179.28
View
Microbe Life Hydroponics
Microbe Life pH Down
From $14.95
View
Microbe Life Hydroponics
Microbe Life pH UP
From $17.35
View
Milwaukee Instruments
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
Regular price
$32.99
Sale price
$23.66
Sale
View
HM Digital Meters
HM Digital TDS-3 Handheld TDS meter
Regular price
$37
View
HM Digital Meters
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
Regular price
$7.85
View
Cutting Edge Solutions
Cutting Edge Solutions pH Down
From $128.99
View
Bluelab
Bluelab External Lockout & Alarm Box
Regular price
$70.80
View
Bluelab
Bluelab 7.0 Calibration Solution Case of 6
From $65
View
Bluelab
Bluelab 4.0 Calibration Solution Case of 6
From $65
View
Bluelab
Bluelab 2.77 EC Conductivity Solution Case of 6
From $65
View
Zenport
Soil Moisture Meter
Regular price
$12.95
View
Zenport
Dry Air Pressure Gauge, 0 – 600 psi
Regular price
$9.95
View
Zenport
Dry Air Pressure Gauge, 0 – 500 psi
Regular price
$9.95
View
←
1
2
3
4
…
9
→
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device