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pH Control

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General Hydroponics PRO pH Down - 55gal
In Stock: 20
$2,213.56 $2,583.47 -14%
General Hydroponics PRO pH Up - 55gal
In Stock: 32
$2,181.01 $2,414.46 -10%
Biobizz Bio-PH- PH Regulator 20L pH DOWN
In Stock: 8
$266.40 $386.08 -31%
Biobizz Bio-PH+ PH Regulator 20L pH UP
In Stock: 7
$259.73 $376.42 -31%
General Hydroponics PRO pH Down - 6gal
In Stock: 118
$249.57 $348.72 -28%
General Hydroponics PRO pH Up - 6gal
In Stock: 98
$249.57 $348.72 -28%
Biobizz Bio-PH- PH Regulator 10L pH DOWN
In Stock: 7
$150.31 $217.84 -31%
Biobizz Bio-PH+ PH Regulator 10L pH UP
In Stock: 5
$146.56 $212.40 -31%
Cutting Edge Solutions pH Down, 1 qt, case of 12
In Stock: 28
$114.10 $167.88 -32%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In Stock: 31
$114.10 $167.88 -32%
General Hydroponics PRO pH Down - 2.5gal
In Stock: 68
$111.63 $168.07 -34%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 32
$111.63 $168.07 -34%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In Stock: 52
$92.40 $135.96 -32%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In Stock: 33
$92.40 $135.96 -32%
Biobizz Bio-PH- PH Regulator 5L pH DOWN
In Stock: 7
$87.46 $126.76 -31%
Biobizz Bio-PH+ PH Regulator 5L pH UP
In Stock: 7
$81.21 $117.70 -31%
Central Coast Garden pH Down Solution | 1gal - Concentrate - 75% Phosphoric Acid
Out of stock
$38.01 $49.95 -24%
General Hydroponics pH Down Liquid - 1gal
In Stock: 3379
$28.50 $39.06 -27%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3741
$28.50 $39.06 -27%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$24.38 $33.99 -28%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$24.38 $33.99 -28%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 68
$23.90 $31.50 -24%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 58
$22.20 $29.26 -24%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.00 $49.95 -66%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 3055
$16.62 $22.75 -27%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$15.21 $19.95 -24%
Central Coast Garden pH Up Solution | 32oz - 35% Potassium Hydroxide
Out of stock
$15.21 $19.95 -24%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 67
$14.96 $19.99 -25%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 80
$14.96 $19.99 -25%
General Hydroponics pH Down Liquid - 32oz
In Stock: 4049
$11.44 $15.68 -27%
General Hydroponics pH Up Liquid - 32oz
In Stock: 2589
$11.44 $15.68 -27%
General Hydroponics pH Test Indicator - 8oz
In Stock: 551
$10.61 $14.53 -27%
Cutting Edge Solutions pH Down | 32oz Bottle
In Stock: 82
$10.03 $13.99 -28%
Cutting Edge Solutions pH Up | 32oz Bottle
In Stock: 17
$10.03 $13.99 -28%
General Hydroponics pH Down Liquid - 8oz
In Stock: 514
$8.20 $10.59 -23%
General Hydroponics pH Up Liquid - 8oz
In Stock: 434
$8.20 $10.59 -23%
General Hydroponics pH Test Kit Indicator - 1oz
In Stock: 1457
$7.74 $10.15 -24%
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