Gypsum / Calcium sulfate (CaSO4)
- Amazon.com (USA)
- Amazon.ca (Canada)
- Amazon.co.uk (Europe)
- Adventures in Homebrewing (USA)
- Great Fermentations (USA)
- More Beer! (USA)
- High Gravity (USA)
- Ontario Beer Kegs (Canada)
- eBay (USA)
Used to add permanent hardness (Calcium ions) to brewing water. Accentuates hop sharpness. Adjusts mash pH down.
Different beer styles will call for different salt additions. For more information see our Water Adjustment guide.
Purchasing through our affiliate links helps support our site at no extra cost to you. We thank you!