pH/EC/TDS Meters & Solutions
Sale -12%
Hanna Instruments GroLine EC/TDS Tester GroLine EC/TDS Tester
The HI98318 is our latest pocket meter for measuring the EC/TDS of a hydroponic ..
$85.00 $74.99
Sale -15%
Emerald Harvest Emerald Harvest pH Up Gallon/3.79 Liter
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH..
$81.51 $69.28
Sale -19%
GroStar GroStar GS4 pH/EC Combo Pen GS4
Features:
• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature ..
• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature ..
$178.99 $144.49
Sale -11%
Hanna Instruments GroLine Waterproof Tester Combo
GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester..
$225.00 $199.99
Sale -12%
Hanna Instruments Groline Probe Inline
The HI1285-9 inline multiparameter probe measures pH, EC/TDS, and temperature in..
$290.00 $254.99
Sale -11%
Hanna Instruments Groline Monitor Inline
The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock,..
$505.00 $449.99
Sale -12%
Hanna Instruments GroLine Cleaning Solution 230 ML
HI7061-023 is the GroLine general purpose cleaning solution that can be used for..
$16.50 $14.49
Sale -12%
Hanna Instruments GroLine Calibration Sol 4.01 230 ML
HI7004-023 is a high quality pH 4.01 calibration buffer that is NIST traceable a..
$16.50 $14.49
Sale -32%
Advanced Nutrients AN pH Up
PH UP
When Your pH Is Too Low, You Need pH-Up
-- The Highest Concentration in ..
When Your pH Is Too Low, You Need pH-Up
-- The Highest Concentration in ..
$81.54 $55.04
Sale -33%
Advanced Nutrients AN pH Down
PH DOWN
When Your pH Is Too High, You Need pH-Down
-- The Highest Concentratio..
When Your pH Is Too High, You Need pH-Down
-- The Highest Concentratio..
$25.74 $17.37
Sale -15%
Bluelab Bluelab Truncheon Meter EC/PPM
Bluelab Original Truncheon® Nutrient Meter
$157.94 $134.25
Sale -15%
Bluelab Bluelab Probe Care Kit pH Kit
Bluelab® Probe Care Kit for Conductivity Probes
$23.32 $19.82
Sale -15%
Bluelab Bluelab Multimedia Meter pH Meter
Bluelab® Multimedia pH Meter with Leap™ pH Probe
$295.74 $251.38
Sale -15%
Emerald Harvest Emerald Harvest pH Up
Emerald Harvest® pH Up
Keep your nutrient solution in the sweet spot with Emer..
Keep your nutrient solution in the sweet spot with Emer..
$26.68 $22.68
Sale -45%
Emerald Harvest Emerald Harvest pH Down
Emerald Harvest® pH Down
Keep your nutrient solution in the sweet spot with Em..
Keep your nutrient solution in the sweet spot with Em..
$352.66 $193.96
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