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Store / Fertilizers and Supplements / pH Adjusters / GH

GH orange/blue pH down and pH oops are staples for gardening enthusiasts. The new PRO line is non-corrosive, non-hazardous, and does not add nutrients.

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GH pH Down 1 Quart
GH pH Down 1 Quart
GH pH Down 1 Quart
$13.95
GH pH Down 1 Gallon
GH pH Down 1 Gallon
GH pH Down 1 Gallon
$30.95
GH pH Up 1 Quart
GH pH Up 1 Quart
GH pH Up 1 Quart
$13.95
GH pH Up 1 Gallon
GH pH Up 1 Gallon
GH pH Up 1 Gallon
$30.95
Sold out
GH PRO pH Down 2.5G
GH PRO pH Down 2.5G
GH PRO pH Down 2.5G
$99.95
Sold out
GH PRO pH Down 6G
GH PRO pH Down 6G
GH PRO pH Down 6G
$209.38
GH PRO pH Down 55G
GH PRO pH Down 55G
GH PRO pH Down 55G
$1,765.78
Sold out
GH PRO pH Up 2.5G
GH PRO pH Up 2.5G
GH PRO pH Up 2.5G
$100.95
Sold out
GH PRO pH Up 6G
GH PRO pH Up 6G
GH PRO pH Up 6G
$183.78
GH PRO pH Up 55G
GH PRO pH Up 55G
GH PRO pH Up 55G
$1,765.78
Display prices in: USD
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