Gypsum (Calcium Sulfite)
Gypsum (Calcium Sulfite)
4 in stock
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$1.50
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$1.50
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Gypsum adds hardness to brewing water. Use 1-2 teaspoons per 5 gallons. 1 gram of gypsum adds 62 ppm of calcium and 147 ppm of sulfate. Gypsum is also used to lower water pH.
