Epsom Salt (Magnesium Sulfate)

Epsom Salt (Magnesium Sulfate)

Please select from the following option(s) to see pricing and availability.

Epsom is used to add sulfate and magnesium ions to brewing water. It is often used at half the levels of Gypsum. 1 gram in 1 gallon changes the salt levels by 103 ppm sulfate, 26 ppm Magnesium and adds 108 ppm to the hardness.

Promash is a useful utility to calculate water salts.

Epsom salt is also ideal as a nutrient source for growing hop plants.

Community Q&A

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 50 answers
Why did you choose this?
MoreFlavor Store
Water Chem
Brian M on Aug 18, 2022
To condition the water
Robby M on Aug 16, 2022
Water Chem
Brian M on Aug 18, 2022
Water profile for brewing beer
Wesley F on Aug 17, 2022
To condition the water
Robby M on Aug 16, 2022
Just in case
Jamie R on Jul 26, 2022
To make topo Chico at home
DYWANDA L on Jul 23, 2022
Water treatment
Ernesto C on Jul 21, 2022
water profile
Chandler Mark H on Jul 12, 2022
Used up during last brew session
Derek on Jun 29, 2022
Austin R on Jun 28, 2022
Getting started with water additions
BOB A on Jun 17, 2022
Improve my ph and water profile.
Arturo Aganza T on Jun 14, 2022
Brewing Water
Brian M on Jun 3, 2022
Making clone seltzer recipes at home.
Brent S on May 16, 2022
water profile
Daniel Z on May 2, 2022
Water treatment
Steve H on Feb 12, 2022
Water chemistry
Robert S on Feb 4, 2022
Clean my barrels
Ernest G on Feb 1, 2022
started using ro water
Nicholas L on Jan 5, 2022
water chemistry
Anthony Caezza on Dec 15, 2021
Christmas gift
Ashley R on Nov 19, 2021
Part of brewing water profile ingredient
F G on Nov 18, 2021
Ive used this before
clayton M on Oct 27, 2021
make a beer
Andres M on Oct 26, 2021
to recreate water profile
Robert W on Sep 30, 2021
Julius clone recipe
Zafra W on Aug 10, 2021
MoreFlavor in my beer
Chris Dornbach on Jul 2, 2021
water salt
Chuck Beckman on Jun 23, 2021
Adj RO water
DAVID S on Jun 19, 2021
Brewing some IPA
Andrew S on Jun 11, 2021
improve water chemistry
Jay K on Jun 9, 2021
Ease and price
Brad S on May 5, 2021
Water treatment
Michael F on Apr 28, 2021
Creating a water profile
A M on Apr 23, 2021
Water adjustments
Kenny Lyons on Mar 30, 2021
water treatment for brewing
Sean N on Mar 25, 2021
For brewing beer
Cole C on Mar 16, 2021
replenishment - water adjustments
Charlie H on Mar 12, 2021
To trest water depending on the style, already using, gypsmu, calcium sulfate and calcium chloride as well as fosforic acid
Fernando S on Mar 6, 2021
Brewing water chemistry
Valued C on Feb 1, 2021
Same as above
Matthew S on Jan 23, 2021
for water adjustments
Roberto M on Jan 23, 2021
upping my water game
Caleb C on Jan 23, 2021
Water Treatment
Steve H on Jan 19, 2021
water adjustments
JS Metalcraft on Dec 17, 2020
Adjusting water chemistry
Michael P on Oct 30, 2020
Trying an Alchemist recipe
Rich P on Oct 26, 2020
Water adjustment
Mark on Oct 23, 2020
Resupply of low quantity in brew kit
Skip on Oct 20, 2020
Water Profile
Gary E N on Oct 7, 2020
It’s a must for every brewer
Bojdan Statutiak on Oct 6, 2020
Water profile for brewing beer
Wesley F on Aug 17, 2022
Just in case
Jamie R on Jul 26, 2022

5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 5 out of 5
Epsom Salt
First time adjusting water chemistry. Worked great.
June 17, 2021
1 year ago
Rated 5 out of 5
Should work just fine
Using it for brewing beers!
June 24, 2019
over 3 years ago