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Old 02-16-2007, 11:18 PM   #1
Jan 2007
Posts: 9

I have a 2oz. package of water crystals( calcium ad magnesium sulfate) that came with my homebrewing kit. What is this and what does it do? How/do, i use it?

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Old 02-16-2007, 11:49 PM   #2
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ajf's Avatar
Oct 2005
Long Island
Posts: 4,646
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It adds Ca, Mg, and SO4 ions to the brewing water. It will also lower the pH of the water. They are also known as Burton salts after the English town of Burton on Trent, renowned for the brewing of Pale Ales.

If your water is low in calcium or sulfates and you are brewing a pale ale, you could dissolve them in the mash water prior to mashing.
If you are using extract, and/or you don't know your water chemistry, then I would simply forget about them, as they may make the beer slightly better, or they may make it slightly worse. I also wouldn't use them if I were brewing anything other than a pale ale.


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Old 02-17-2007, 02:58 AM   #3
FlyGuy's Avatar
Jan 2007
Calgary, Alberta
Posts: 3,605
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The 'water crystals' are probably meant to be mixed into distilled or RO water. If you do this, the idea is that they will help you emulate water that is known to produce reknowned beer of that style. If you are using tap water, you probably DON'T want to use these crystals.

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