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Water Filtration & Treatment

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General Hydroponics PRO pH Down - 55gal
In Stock: 33
$2,229.84 $2,583.47 -14%
General Hydroponics PRO pH Up - 55gal
In Stock: 43
$2,229.84 $2,583.47 -14%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 3595
$205.20 / $17.10 per unit
(minimum purchase of 12)
General Hydroponics pH Down Liquid - 1gal
In Stock: 4909
$29.32 $41.79 -30%
General Hydroponics PRO pH Down - 6gal
In Stock: 180
$256.81 $373.13 -31%
General Hydroponics PRO pH Down - 2.5gal
In Stock: 70
$114.86 $179.83 -36%
General Hydroponics pH Down Liquid - 8oz
In Stock: 1266
$8.43 $11.33 -26%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3586
$29.32 $41.79 -30%
General Hydroponics PRO pH Up - 6gal
In Stock: 87
$256.81 $373.13 -31%
General Hydroponics pH Test Indicator - 8oz
In Stock: 655
$131.04 / $10.92 per unit
(minimum purchase of 12)
General Hydroponics pH Up Liquid - 32oz
In Stock: 3431
$11.77 $16.78 -30%
General Hydroponics pH Down Liquid - 32oz
In Stock: 6813
$11.77 $16.78 -30%
General Hydroponics pH Up Liquid - 8oz
In Stock: 754
$8.43 $11.33 -26%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 48
$114.86 $179.83 -36%
General Hydroponics pH Test Kit Indicator - 1oz
In Stock: 1529
$191.28 / $7.97 per unit
(minimum purchase of 24)
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