Calcium Sulfate (Gypsum) - 3.5 oz (99 g)

Canuck Homebrew Supply, Canada Verified independent store

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Also known as Gypsum, Calcium Sulphate adds permanent hardness to soft brewing water. For advanced homebrewers that use distilled, or RO water, add some gypsum back into the water to give it some hardness. Gypsum can also be used to lower the pH of water. Great addition to extra hoppy beers. Usage Directions: Use 1 teaspoon per 5 gallons Show more