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Apera GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
$14.99
Apera GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
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GroStar pH Probe Maintanence Kit
$23.99
GroStar pH Probe Maintanence Kit
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Cultivation Nation pH up, Pint
$11.99
Cultivation Nation pH up, Pint
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General Hydroponics pH Up Gallon
$29.42
General Hydroponics pH Up Gallon
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Advanced Nutrients pH Up, 1L
$22.92
Advanced Nutrients pH Up, 1L
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General Hydroponics PH Up, 1 Qt
$18.99
General Hydroponics PH Up, 1 Qt
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Microbe Life Hydroponics pH UP, 1 qt
$18.99
Microbe Life Hydroponics pH UP, 1 qt
Buy Now
General Hydroponics PH Up, 8oz
$10.59
General Hydroponics PH Up, 8oz
Buy Now
Emerald Harvest pH Up, 1 qt
$24.70
Emerald Harvest pH Up, 1 qt
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TNB Naturals PH Down 1lb / 454g (30/Cs)
$19.99
TNB Naturals PH Down 1lb / 454g (30/Cs)
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Emerald Harvest pH Down, 1 qt
$24.70
Emerald Harvest pH Down, 1 qt
Buy Now
General Hydroponics PH Down, 1 Qt
$14.99
General Hydroponics PH Down, 1 Qt
Buy Now
Microbe Life Dechlorinator 16oz
$13.99
Microbe Life Dechlorinator 16oz
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Milwaukee MA9015 Storage Solution for pH / ORP Electrodes
$12.00
Milwaukee MA9015 Storage Solution for pH / ORP Electrodes
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Milwaukee Instruments C66 Waterproof Conductivity Tester with Replaceable Electrode (High Range)
$35.00
Milwaukee Instruments C66 Waterproof Conductivity Tester with Replaceable Electrode (High Range)
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Digital Solutions HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester
$43.81
Digital Solutions HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester
Buy Now
Bluelab STSOL120 KCL Storage Solution 120ml PH Probe and Pen, Maintain Meters Used for Water, Soil
$16.00
Bluelab STSOL120 KCL Storage Solution 120ml PH Probe and Pen, Maintain Meters Used for Water, Soil
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Bluelab® pH 4.0 Calibration Solution, 250 ml
$14.99
Bluelab® pH 4.0 Calibration Solution, 250 ml
Buy Now
Bluelab Conductivity Pen - EC PPM Meter
$99.99
Bluelab Conductivity Pen - EC PPM Meter
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Bluelab® pH 7.0 Calibration Solution, 250 ml
$14.99
Bluelab® pH 7.0 Calibration Solution, 250 ml
Buy Now
Bluelab Probe Care Kit - PH - A Clean Probe is an Accurate Probe
$31.00
Bluelab Probe Care Kit - PH - A Clean Probe is an Accurate Probe
Buy Now
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