PH, EC, TDS
Emerald Harvest pH Down 2.5 Gallon/9.46 Liter (2/Cs)
$171.84
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to redu..
Emerald Harvest pH Down 6 Gallon/22.71 Liter (1/Cs)
$352.66
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to redu..
Emerald Harvest pH Down Gallon/3.79 Liter (4/Cs)
$82.95
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to redu..
Emerald Harvest pH Down Quart/0.95 Liter (12/Cs)
$26.68
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to redu..
Emerald Harvest pH Up 2.5 Gallon/9.46 Liter (2/Cs)
$171.84
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise th..
Emerald Harvest pH Up 55 Gallon/208 Liter
$2,038.28
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise th..
Emerald Harvest pH Up 6 Gallon/22.71 Liter (1/Cs)
$352.66
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise th..
Emerald Harvest pH Up Gallon/3.79 Liter (4/Cs)
$81.51
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise th..
Emerald Harvest pH Up Quart/0.95 Liter (12/Cs)
$26.68
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise th..
GH pH 4.01 Calibration Solution 8 oz (12/Cs)
$4.64
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technici..
GH pH 4.01 Calibration Solution Quart (12/Cs)
$13.18
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technici..
GH pH 7.01 Calibration Solution 8 oz (12/Cs)
$4.64
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technici..
GH pH Control Kit (12/Cs)
$21.89
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial...
GH pH Down 8 oz (12/Cs)
$9.26
The acid formulation uses phosphoric acid to lower the pH to the proper level...
GH pH Down Liquid Gallon (4/Cs)
$34.16
The acid formulation uses phosphoric acid to lower the pH to the proper level...