Gypsum (Calcium Sulfate)

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. 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.

Chemical name: Calcium Sulfate (CaSO4)

Community Q&A

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Why did you choose this?
MoreFlavor Store
Troy F on May 11, 2021
Low shipping cost for the best price I could find
Cristobal Haroldo L on May 3, 2021
Troy F on May 11, 2021
Ease and price
Brad S on May 5, 2021
Low shipping cost for the best price I could find
Cristobal Haroldo L on May 3, 2021
Water treatment
Michael F on Apr 28, 2021
Creating a water profile
A M on Apr 23, 2021
PH balancing
Keith H on Apr 23, 2021
Water treatment
Rhyann D on Apr 19, 2021
Good beer
James H on Apr 13, 2021
Because my well water is like Pilsen
Chris Dornbach on Apr 10, 2021
Water adjustments
Kenny Lyons on Mar 30, 2021
gonna try it in garden
Laurence M A on Mar 29, 2021
Changing my water chemistry
Dave C on Mar 24, 2021
adjusting RO water profile
Jacob H on Mar 19, 2021
For brewing beer
Cole C on Mar 16, 2021
Use in all my hoppy ales
Michael H on Mar 11, 2021
water conditioning
Chuck Beckman on Mar 5, 2021
Aaron C on Feb 27, 2021
Use a lot it in water balancing
George N on Feb 23, 2021
Going to start working on my water.
mark a on Feb 23, 2021
use with water system for beer production
Jamtech Water S on Feb 5, 2021
low on supply
Steve M on Feb 3, 2021
great value & price. A+ RATINGS
james h on Feb 2, 2021
Beersmith's recipe called for it.
Mason on Feb 2, 2021
Brewing water chemistry
Valued C on Feb 1, 2021
Yamil R on Jan 29, 2021
To treat my water
Alex M on Jan 23, 2021
for water adjustments
Roberto M on Jan 23, 2021
Water chemistry
Michael K on Jan 22, 2021
Water Treatment
Steve H on Jan 19, 2021
Brewing beer
Steven McPeak on Jan 16, 2021
Not available locally
Josh L on Jan 11, 2021
Water Adjustments
Jason P on Dec 29, 2020
Dave B on Dec 28, 2020
Mushroom Farming: Substrate blocks buffer and “grain spawn” anti-caking agent
SEAN W on Dec 27, 2020
I want to make better IPAs
Chris S on Dec 21, 2020
water adjustments
JS Metalcraft on Dec 17, 2020
Water adjustment
Lester House on Dec 5, 2020
To control water chemistry
John W on Dec 2, 2020
Works Great
Paul K on Nov 17, 2020
Making Bell's Two Hearted Ale and need it for adjusting the water to make the hops pop.
Joshua B on Nov 10, 2020
Water Profile customization
Sanad Al I on Nov 3, 2020
Trying an Alchemist recipe
Rich P on Oct 26, 2020
Resupply of low quantity in brew kit
Skip on Oct 20, 2020
For beer and cooking
Daniel V on Oct 7, 2020
Need it
shane c on Oct 6, 2020
Dry out and increase perceived bitterness
Michael D. B on Oct 6, 2020
Brew salts
Joseph C on Oct 2, 2020
Convenient water conditioner for working from RO.
Bob on Sep 3, 2020
water conditioning
Masahiro Kitano on Sep 2, 2020
To make homemade electrolyte powder
Erica L R on Sep 1, 2020
Ease and price
Brad S on May 5, 2021
Water treatment
Michael F on Apr 28, 2021

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