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General Hydroponics® PRO pH Down - 55 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 27
$1,703.32 $2,583.47 -34%
General Hydroponics® pH Down Liquid - 1 Gallon - Phosphoric Acid Formula
In Stock: 2683
$19.66 $41.79 -53%
General Hydroponics® PRO pH Up - 55 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 33
$1,703.32 $2,583.47 -34%
General Hydroponics® pH Control Kit - 4-Piece - 8oz pH Up, 8oz pH Down, 1oz Indicator & Vial
In Stock: 3571
$137.28 / $11.44 per unit
(minimum purchase of 12)
General Hydroponics® pH Down Liquid - 8oz - Phosphoric Acid Formula
In Stock: 1327
$8.20 $11.33 -28%
General Hydroponics® pH Up Liquid - 1 Gallon - Potassium Hydroxide & Carbonate Base
In Stock: 2755
$19.66 $41.79 -53%
General Hydroponics® PRO pH Down - 2.5 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 82
$84.66 $179.83 -53%
General Hydroponics® PRO pH Down - 6 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 127
$189.27 $373.13 -49%
General Hydroponics® PRO pH Up - 6 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 80
$189.27 $373.13 -49%
General Hydroponics® pH Up Liquid - 32oz - Potassium Hydroxide & Carbonate Base
In Stock: 3107
$7.89 $16.78 -53%
General Hydroponics® pH Down Liquid - 32oz - Phosphoric Acid Formula
In Stock: 4292
$7.89 $16.78 -53%
General Hydroponics® pH Test Indicator - 8oz - pH 4.0-8.5 Color Test Solution
In Stock: 829
$87.72 / $7.31 per unit
(minimum purchase of 12)
General Hydroponics® pH Up Liquid - 8oz - Potassium Hydroxide & Carbonate Base
In Stock: 526
$8.20 $11.33 -28%
General Hydroponics® PRO pH Up - 2.5 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 43
$84.66 $179.83 -53%
General Hydroponics® pH Test Kit Indicator - 1oz - pH 4.0-8.5 Color Test Solution
In Stock: 2993
$114.96 / $4.79 per unit
(minimum purchase of 24)
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