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General Hydroponics® PRO pH Down - 55 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 20
$1,728.01 $2,583.47 -33%
General Hydroponics® pH Down Liquid - 1 Gallon - Phosphoric Acid Formula
In Stock: 1892
$28.91 $41.79 -31%
General Hydroponics® PRO pH Up - 55 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 28
$1,728.01 $2,583.47 -33%
General Hydroponics® pH Control Kit - 4-Piece - 8oz pH Up, 8oz pH Down, 1oz Indicator & Vial
In Stock: 3091
$139.32 / $11.61 per unit
(minimum purchase of 12)
General Hydroponics® pH Up Liquid - 1 Gallon - Potassium Hydroxide & Carbonate Base
In Stock: 1888
$19.95 $41.79 -52%
General Hydroponics® PRO pH Down - 2.5 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 71
$113.25 $179.83 -37%
General Hydroponics® pH Down Liquid - 8oz - Phosphoric Acid Formula
In Stock: 1199
$8.32 $11.33 -27%
General Hydroponics® PRO pH Down - 6 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 114
$253.19 $373.13 -32%
General Hydroponics® PRO pH Up - 6 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 68
$253.19 $373.13 -32%
General Hydroponics® pH Down Liquid - 32oz - Phosphoric Acid Formula
In Stock: 3826
$11.61 $16.78 -31%
General Hydroponics® pH Up Liquid - 32oz - Potassium Hydroxide & Carbonate Base
In Stock: 2728
$8.01 $16.78 -52%
General Hydroponics® pH Test Indicator - 8oz - pH 4.0-8.5 Color Test Solution
In Stock: 733
$129.24 / $10.77 per unit
(minimum purchase of 12)
General Hydroponics® PRO pH Up - 2.5 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 37
$113.25 $179.83 -37%
General Hydroponics® pH Up Liquid - 8oz - Potassium Hydroxide & Carbonate Base
In Stock: 478
$8.32 $11.33 -27%
General Hydroponics® pH Test Kit Indicator - 1oz - pH 4.0-8.5 Color Test Solution
In Stock: 2777
$169.68 / $7.07 per unit
(minimum purchase of 24)
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 13
$16.69 $19.99 -17%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 20
$16.69 $19.99 -17%
Central Coast Garden pH Up Solution - 1 Gallon - 35% Potassium Hydroxide - Maximum Strength
In Stock: 17
$69.00 / $17.25 per unit
(minimum purchase of 4)
Cutting Edge Solutions® pH Down™ - 32oz - Precision Buffered pH Adjuster for Hydroponic Nutrient Solutions
In Stock: 65
$10.95 $13.99 -22%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 25
$24.89 $31.99 -22%
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