Gypsum Calcium Sulfate – 57 grams
Gypsum Calcium Sulfate – 57 grams
Used for increasing the calcium hardness in water.
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Gypsum Calcium Sulfate – 57 grams
2oz (57g) Use 1-2 teaspoons per 5 gallons of water. Gypsum (Calcium Sulfate) Certified Kosher (Pareve)