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pH Control

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General Hydroponics PRO pH Down - 55gal
In stock
$2,129.60 $2,583.47 -18%
Save 15%
General Hydroponics PRO pH Up - 55gal
In stock
$2,053.54 $2,414.46 -15%
General Hydroponics PRO pH Down - 6gal
In stock
$236.61 $348.72 -32%
General Hydroponics PRO pH Up - 6gal
In stock
$236.61 $348.72 -32%
General Hydroponics PRO pH Down - 2.5gal
In stock
$105.84 $168.07 -37%
General Hydroponics PRO pH Up - 2.5gal
In stock
$105.84 $168.07 -37%
Central Coast Garden pH Down Solution | 1gal - Concentrate - 75% Phosphoric Acid
Out of stock
$37.84 $49.95 -24%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In stock
$27.31 $49.95 -45%
General Hydroponics pH Down Liquid - 1gal
In stock
$27.02 $39.06 -31%
General Hydroponics pH Up Liquid - 1gal
In stock
$27.02 $39.06 -31%
Cutting Edge Solutions pH Down | 1gal Bottle
In stock
$24.29 $33.99 -29%
Cutting Edge Solutions pH Up | 1gal Bottle
In stock
$24.29 $33.99 -29%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In stock
$15.75 $22.75 -31%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$15.15 $19.95 -24%
Central Coast Garden pH Up Solution | 32oz - 35% Potassium Hydroxide
Out of stock
$15.15 $19.95 -24%
General Hydroponics pH Down Liquid - 32oz
In stock
$10.85 $15.68 -31%
General Hydroponics pH Up Liquid - 32oz
In stock
$10.85 $15.68 -31%
General Hydroponics pH Test Indicator - 8oz
In stock
$10.05 $14.53 -31%
Cutting Edge Solutions pH Down | 32oz Bottle
Out of stock
$10.00 $13.99 -29%
Cutting Edge Solutions pH Up | 32oz Bottle
Out of stock
$10.00 $13.99 -29%
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