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Gypsum (Calcium Sulfate) - 2 oz.
WM10
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Description

Gypsum (also known as Calcium Sulfate) is used to add permanent hardness (Calcium ions) to brewing water. 1 gram in 1 gallon changes the salt levels by 61.5 ppm calcium, 147.5 ppm sulfate and adds 153.5 ppm to the hardness.
 

 

Item # WM10
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.13LBS
Community Q&A

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Help PH
Isaac H on Jul 21, 2018
Water conditioning chemicals
Michael W on Jul 10, 2018
Help PH
Isaac H on Jul 21, 2018
Water is a bit soft.
David R on Jul 14, 2018
Water conditioning chemicals
Michael W on Jul 10, 2018
Needed more
Brian S on Mar 23, 2018
To improve water profile
Matthew M on Feb 28, 2018
Dry Irish Stout
Timothy H on Feb 1, 2018
The Brown Ale I am making needs some water additives.
Robert R on Feb 1, 2018
Water is a bit soft.
David R on Jul 14, 2018
Needed more
Brian S on Mar 23, 2018
Reviews

4.8 / 5.0
12 Reviews
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works
high quality and pure...makes adjusting water easy!
May 13, 2015
necessary for IPAs
Depending on your city's water profile, this will most likely be needed to get more pop out of the hops you use and make an IPA taste not so flat.
would prefer that the packaging was a tub and not a bag, though.
May 16, 2014
It works, not sure what else to say
Water treatments are one of those things that are easy to "over-engineer". I use EZ water and the Water book. Use it correctly, and it makes a 30pt. beer a 40pt. beer.
May 4, 2014
Part of my water building arsenal
I always have salts and treatment at hand, I enjoy the complete control of every aspect of my brews. Gypsum is a common addition.
May 2, 2014
Water adjustment
Part of the basic three additions I use to get the desired water I need. As others noted it can be used to bring out hoppiness.
May 31, 2013
Adding gypsum was a huge improvement
I've always heard that Chicago water was great for dark beers. While I had a general understanding of why, it never translated into adjusting the water for my light and hoppy beers. I finally broke down and decided to play around play with my water. There was a huge improvement in hop flavor. These water modifiers much more affordable compared to other items I have purchased for this hobby. Once you get the basics of your process, recipes and fermentation down, I highly recommend giving water modification a shot.
May 29, 2013
A must have
If you want to notice your hops, you need this. Great for IPA's, Pale Ales, and any other style that hops flavor and bitterness is an aspect of. A simple way to make your beers brighter and bolder.
May 29, 2013
Needed for the hops
Fun trick; sprinkle a little into your IPA glass to bring out the hops in your cold beer.
May 28, 2013
Works Good for stuck fermentation of meads
I put a little gypsum into my fermenter when I have a stuck fermentation of my meads it helps the fermentation process. Also good for letting the IBU's shine in IPA, Pales.
May 23, 2013
Water treatment 101- Gypsum
When I changed from extract to all grain my pale ales went from great to lame. They lacked hoppiness, the aroma was soapy, dull. Adding 4-8 grams to the brew (3-5g in the mash and a little in the boil) gave me back my hoppy-mojo.
Even without analyzing a water report or understanding residual alkalinity, all-grain pale ales and IPAs benefit from gypsum in the mash. Extract brewers don't need to worry as much because the extract makers adjust the water for the mash, but if your beers lack the hop aroma and flavor you want, add more hops and a few grams of gypsum.
May 6, 2013