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Thread: Gypsum and Calcium Chloride

  1. #1
    Join Date
    Mar 2007
    Posts
    5

    Gypsum and Calcium Chloride

    I'm just looking for a good resource to buy these in bulk. Can someone please post some links of suppliers?

    Thanks

  2. #2
    Join Date
    Sep 2005
    Posts
    679
    I get them from brewers supply group www.brewerssupplygroup.com

  3. #3
    Join Date
    Sep 2007
    Location
    Liberty ME. USA
    Posts
    71
    We buy them from Crosby and Baker and it is delivered with our grain. Also it is USP grade.

  4. #4
    Join Date
    Mar 2007
    Posts
    5
    Thanks for the info guys.
    One more question:
    Are you adding your water treatment to the mash water only, or do you also treat the sparge water in equal proportions? Should lactic acid be used to treat the sparge water instead or is this just brewers preference?
    (okay, maybe two questions)

    thanks again.

  5. #5
    Join Date
    Sep 2005
    Posts
    679
    Depends -- I generally treat them the same, but you want to look at how you want the final wort, mineral-profile wise. If you're going for a lighter mineral character, lactic it is! Of course, you can use lactic for the mash as well. Kinda depends on your water, your grain bill, and the desired flavor profile.

  6. #6
    Join Date
    Oct 2003
    Location
    Santa Rosa CA USA
    Posts
    962
    I prefer slightly more minerals (same ratio) in the sparge as they can discourage tannin extraction, especially as I prefer a higher than average sparge temp. I would not advocate any less in the sparge. Ditto for acid, if used.

  7. #7
    Join Date
    Sep 2005
    Posts
    679
    One advantage to using salts over acid is that most salts add calcium to your wort which makes your yeasties happy.

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