Gypsum (Calcium Sulfate), use 1/4 to 1/2 teaspoon per 5 gallons to lower pH, increase hardness, and add hop-enhancing sulfates.
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Gypsum (Calcium Sulfate) Powder, 1 lb
$3.99
In stock (available)
Additional information
Weight | 1.10 lbs |
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Dimensions | 5 × 5 × 5 in |
SKU | chgy1 |