pH/EC/TDS Meters & Solutions
Sale -11%
Hanna Instruments Groline Monitor Inline
The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock,..
$505.00 $449.99
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%
Bluelab Bluelab Conductivity Care Kit Kit
Bluelab Nutrient Probe Care Kit Conductivity
$30.74 $26.13
Sale -15%
Bluelab Bluelab Meter Guardian
Bluelab® Guardian Monitor
Adjustable brightness display. Large easy-to-read, p..
Adjustable brightness display. Large easy-to-read, p..
$445.20 $378.42
Sale -15%
Bluelab Bluelab Commercial Truncheon
Bluelab Commercial Truncheon® Nutrient Meter
$157.94 $134.25
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 -40%
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..
$171.84 $103.95
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
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