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pH Control

General Hydroponics pH Down Liquid - Phosphoric Acid Formula - 1 Gal
In Stock: 52
$29.89 $41.79 -28%
General Hydroponics PRO pH Down pH Adjuster - Non-Mineral and Non-Corrosive - 55 Gal
In Stock: 20
$2,037.72 $2,583.47 -21%
General Hydroponics PRO pH Down pH Adjuster - Non-Mineral and Non-Corrosive - 2.5 Gal
In Stock: 34
$117.09 $179.83 -35%
General Hydroponics pH Control Kit - 4-Piece - 8 Oz pH Up, 8 Oz pH Down, 1 Oz Indicator and Vial
In Stock: 432
$240.36 / $20.03 per unit
(minimum purchase of 12)
General Hydroponics PRO pH Up pH Adjuster - Non-Mineral and Non-Corrosive - 55 Gal
In Stock: 22
$2,037.72 $2,583.47 -21%
General Hydroponics PRO pH Down pH Adjuster - Non-Mineral and Non-Corrosive - 6 Gal
In Stock: 87
$240.89 $373.13 -35%
General Hydroponics PRO pH Up pH Adjuster - Non-Mineral and Non-Corrosive - 6 Gal
In Stock: 38
$240.89 $373.13 -35%
General Hydroponics PRO pH Up pH Adjuster - Non-Mineral and Non-Corrosive - 2.5 Gal
In Stock: 27
$117.09 $179.83 -35%
General Hydroponics pH Down Liquid - Phosphoric Acid Formula - 32 Oz
In Stock: 1306
$13.79 $16.78 -18%
General Hydroponics pH Up Liquid - Potassium Hydroxide & Carbonate Base - 32 Oz
In Stock: 1517
$13.79 $16.78 -18%
General Hydroponics pH Test Indicator - 8 Oz - pH 4.0-8.5 Color Test Solution
In Stock: 529
$153.48 / $12.79 per unit
(minimum purchase of 12)
General Hydroponics pH Up Liquid - 8 Oz - Potassium Hydroxide and Carbonate Base
In Stock: 87
$9.78 $11.33 -14%
General Hydroponics pH Test Kit Indicator - 1 Oz
In Stock: 2177
$201.36 / $8.39 per unit
(minimum purchase of 24)
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