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Using campden tablets to take out chloramines

Discussion in 'Homebrewing' started by BedetheVenerable, Jan 24, 2013.

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  1. BedetheVenerable

    BedetheVenerable Sep 5, 2008 Missouri

    I have an activated charcoal filter, through which I'll run my (quite hard and very alkaline) water through slowly to remove chlorine. I believe it's something like 1/4 to 1/3 campden tablet, ground, to treat 7ish gallons of water for a 5 gallon batch, right? When and how do I treat the water, and does it need to sit for awhile, etc? I'm planning on brewing a stout (which is, it looks like, one of the few things my water might be good for w/out treatment).
  2. VikeMan

    VikeMan Jul 12, 2009 Pennsylvania
    Beer Trader

    One tablet per 20 gallons. When I treat my tap water (not often, because I usually build from distilled), I treat it and let it sit while I mill my grains, which takes a little while because I don't motorize my mill. But I think the reactions are almost instant.
  3. inchrisin

    inchrisin Sep 25, 2008 Indiana

    Can someone please crush up a campden tablet and measure it out in tsp for me 0 :) All I have left is the powder from breaking all of mine in half. It's got to be about 1/4 tsp -1/2tsp for a whole tablet, right?
  4. JimSmetana

    JimSmetana May 11, 2012 Illinois

    Per Palmer "Campden tablets are used in winemaking and should be available at your homebrew supply shop. One tablet will treat 20 gallons, so use only a quarter or half of the tablet to help it dissolve"
  5. marquis

    marquis Nov 20, 2005 United Kingdom (England)

    It's reassuring to know that a slight excess isn't any sort of problem , if you use a whole tablet you won't cause the sky to fall in!
  6. mikehartigan

    mikehartigan Apr 9, 2007 Illinois

    What's the 'equivalent' dose that is used in wine that causes headaches?
  7. ericj551

    ericj551 Apr 29, 2004 Alberta (Canada)

    I think the dosing for wine is 1 tablet per gallon.
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