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General Hydroponics
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The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
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GH pH Down
$9.98
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.
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GH pH Up
$9.48
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 expens
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pH Test Indicator 8oz
$9.00
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 expens
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GH pH Test Kit 1 oz [24]
$6.98
General Hydroponics Spigot for 6 Gal Container
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Spigot for 6 Gal Container
$4.52
General Hydroponics GH Grommet 1-1/4 in single
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GH Grommet 1-1/4 in single
$1.45
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