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pH Control

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Save 16%
General Hydroponics PRO pH Down - 55gal
In stock
$2,023.12 $2,414.46 -16%
Save 16%
General Hydroponics PRO pH Up - 55gal
In stock
$2,023.12 $2,414.46 -16%
General Hydroponics PRO pH Down - 6gal
In stock
$233.23 $348.72 -33%
General Hydroponics PRO pH Up - 6gal
In stock
$233.23 $348.72 -33%
Cutting Edge Solutions pH Down, 1 qt, case of 12
In stock
$114.10 $167.88 -32%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In stock
$114.10 $167.88 -32%
General Hydroponics PRO pH Down - 2.5gal
In stock
$104.33 $168.07 -38%
General Hydroponics PRO pH Up - 2.5gal
In stock
$104.33 $168.07 -38%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In stock
$92.40 $135.96 -32%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In stock
$92.40 $135.96 -32%
Central Coast Garden pH Down Solution | 1gal - Concentrate - 75% Phosphoric Acid
Out of stock
$37.30 $49.95 -25%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In stock
$37.30 $49.95 -25%
General Hydroponics pH Down Liquid - 1gal
In stock
$26.63 $39.06 -32%
General Hydroponics pH Up Liquid - 1gal
In stock
$26.63 $39.06 -32%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$23.94 $33.99 -30%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$23.94 $33.99 -30%
Save 18%
Microbe Life Hydroponics pH UP, 1 qt
In stock
$16.45 $19.99 -18%
Save 18%
Microbe Life Hydroponics pH DOWN, 1 qt
In stock
$16.45 $19.99 -18%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In stock
$15.52 $22.75 -32%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$14.93 $19.95 -25%
Central Coast Garden pH Up Solution | 32oz - 35% Potassium Hydroxide
In stock
$14.93 $19.95 -25%
General Hydroponics pH Down Liquid - 32oz
In stock
$10.70 $15.68 -32%
General Hydroponics pH Up Liquid - 32oz
In stock
$10.70 $15.68 -32%
General Hydroponics pH Test Indicator - 8oz
In stock
$9.91 $14.53 -32%
Cutting Edge Solutions pH Down | 32oz Bottle
Out of stock
$9.85 $13.99 -30%
Cutting Edge Solutions pH Up | 32oz Bottle
In stock
$9.85 $13.99 -30%
General Hydroponics pH Down Liquid - 8oz
In stock
$7.66 $10.59 -28%
General Hydroponics pH Up Liquid - 8oz
In stock
$7.66 $10.59 -28%
General Hydroponics pH Test Kit Indicator - 1oz
In stock
$7.23 $9.49 -24%
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