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Water Filtration & Treatment

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General Hydroponics PRO pH Down - 55gal
In Stock: 39
$2,246.12 $2,583.47 -13%
General Hydroponics PRO pH Up - 55gal
In Stock: 41
$2,246.12 $2,583.47 -13%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 4975
$205.20 / $17.10 per unit
(minimum purchase of 12)
General Hydroponics pH Down Liquid - 1gal
In Stock: 4827
$29.32 $41.79 -30%
General Hydroponics PRO pH Down - 6gal
In Stock: 198
$256.81 $373.13 -31%
General Hydroponics pH Down Liquid - 8oz
In Stock: 1619
$8.43 $11.33 -26%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3796
$29.32 $41.79 -30%
General Hydroponics PRO pH Up - 6gal
In Stock: 118
$256.81 $373.13 -31%
General Hydroponics PRO pH Down - 2.5gal
In Stock: 100
$114.86 $179.83 -36%
General Hydroponics pH Test Indicator - 8oz
In Stock: 1051
$131.04 / $10.92 per unit
(minimum purchase of 12)
General Hydroponics pH Up Liquid - 32oz
In Stock: 4564
$11.77 $16.78 -30%
General Hydroponics pH Down Liquid - 32oz
In Stock: 6879
$11.77 $16.78 -30%
General Hydroponics pH Up Liquid - 8oz
In Stock: 894
$8.43 $11.33 -26%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 50
$114.86 $179.83 -36%
General Hydroponics pH Test Kit Indicator - 1oz
In Stock: 2165
$172.08 / $7.17 per unit
(minimum purchase of 24)
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