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Thread: Will Acetic Acid ever come out of my favorite puncheon barrel?

  1. #1
    Join Date
    Apr 2008

    Will Acetic Acid ever come out of my favorite puncheon barrel?

    Well, it happened, my favorite barrel went acetic. Can we revive it? What would it take to strip the acetic acid out of the wood? Or, is it lost forever. Any comments and feedback are appreciated. Cheers.
    Nick Tanner
    Head Brewer/Founder
    Cherry Street Brewing Cooperative
    Cumming, GA

  2. #2
    Join Date
    Oct 2002
    Chesterfield, UK
    If they were my barrels, they would be for use as a serving table or water storage butt, or display only now. I doubt if you will ever reliably get rid of the AA bacteria. This is based purely on comments from brewers using wooden Burton Union systems and wooden cask beer casks. You can only use hot water for sterilisation (or I suppose steam - though they only ever used hot water), and because the wood is porous, the AA bacterial can be well buried and protected in the wood for periods. I understand PAA is too aggressive and softens the wood, making it even more susceptible to ingress of bugs.

    I know casks cost a bit, but how much is the cost of a fresh cask compared to spoilt beer and possibly unhappy, non returning customers?

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