Cellar Science
Gypsum (Calcium Sulfate)
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Used in beer making as a water treatment. Gypsum increases hardness and lowers pH. Its use is known to increase the perception of hop flavor compounds in beer. The primary salt used to Burtonize water; Burton water is famous for producing the worlds classic pale ales, such as Bass. Used in winemaking to lower the pH of the must. As calcium sulfate is not removed from water by boiling, when present, it is referred to as permanent hardness.
Usage varies depending upon your exact water profile. Additions can range significantly based off your water source. Usage below is something fairly typcial for many tap waters.
Usage: 1-2 tsp. per 5 gallons
Chemical name: Calcium Sulfate (CaSO4)


Humboldt Beer Works
Humboldt Beer Works is located in Old Town Eureka, on California's beautiful & rugged North Coast.
Locally owned and operated since 2011, and re-established in 2018, we've been committed to offering the highest quality ingredients and equipment, as well as the advice you need to succeed.