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)

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Growing mushrooms
Don M on Sep 16, 2021
water treatment
Ethan C on Aug 18, 2021
Growing mushrooms
Don M on Sep 16, 2021
as a brewing mineral additive
Dale W B on Sep 14, 2021
water treatment
Ethan C on Aug 18, 2021
To amend the calcium content for styles which benefit from sulfides
Kris W on Aug 11, 2021
Adjust water
David S on Aug 4, 2021
For my water
Aaron P on Jul 23, 2021
Using it in a farm pond
John M on Jul 15, 2021
water chemistry
Michael V on Jul 7, 2021
adjust mash water
Christopher F on Jul 3, 2021
Water adjustment
Jason E on Jun 30, 2021
Change the ph in our local water.
Doug C on Jun 29, 2021
Trying to clear my pond
Jeremiah And Shannon on Jun 24, 2021
Adj RO water
DAVID S on Jun 19, 2021
Brewing some IPA
Andrew S on Jun 11, 2021
Water treatment
Jonathan H on Jun 3, 2021
Used for my water additions
Roger M on May 29, 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
as a brewing mineral additive
Dale W B on Sep 14, 2021
To amend the calcium content for styles which benefit from sulfides
Kris W on Aug 11, 2021

5.0 / 5.0
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Rated 5 out of 5
First time adjusting water chemistry. Worked great.
June 17, 2021
3 months ago
Rated 5 out of 5
Ca and SO4 Source
Water chemistry adjustment
May 19, 2021
9 months ago