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General Hydroponics
GH pH Test Indicator 8 oz
General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...$10.05$14.53$12.06 -
General Hydroponics
GH pH Down Liquid Gallon (4/Cs)
The acid formulation uses phosphoric acid to lower the pH to the proper level.$26.06$39.06$31.27 -
General Hydroponics
GH pH Down Liquid Quart (12/Cs)
The acid formulation uses phosphoric acid to lower the pH to the proper level.$10.85$15.68$13.02 -
General Hydroponics
GH pH Down 8 oz (12/Cs)
The acid formulation uses phosphoric acid to lower the pH to the proper level.$7.77$10.59$9.32 -
General Hydroponics
GH pH Up Liquid Gallon (4/Cs)
This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.$26.06$39.06$31.27 -
General Hydroponics
GH pH Up Liquid Quart (12/Cs)
This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.$10.85$15.68$13.02 -
General Hydroponics
GH pH Up 8 oz (12/Cs)
This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.$7.77$10.59$9.32 -
General Hydroponics
GH pH Control Kit (12/Cs)
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.$15.19$22.75$18.23