Beer turned sour after bottling

Discussion in 'Homebrewing' started by LostTraveler, Mar 3, 2012.

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  1. LostTraveler

    LostTraveler Initiate (0) Oct 28, 2011 Maine

    I brewed an experimental/throw together beer (all grain) that I used second runnings and put on top of an old yeast cake I had. It was a basically a brown ale with had been beefed up with sugar like a Belgian. Fermented great, tasted awesome and bottle carbed. 2 weeks after it was great then I tried one the other night and it is now sour, and not good sour but spoiled sour. Any idea what the cause may be, cant find anything but it was great until 4 weeks after bottling.
     
    #1 LostTraveler, Mar 3, 2012
  2. Homebrew42

    Homebrew42 Initiate (0) Dec 20, 2006 New York

    Sounds like it's infected.
     
    #2 Homebrew42, Mar 3, 2012
  3. skivtjerry

    skivtjerry Pooh-Bah (1,865) Mar 10, 2006 Vermont
    Pooh-Bah

    Definitely infected. Have you tried any more? Are all bottles infected or just some?
     
    #3 skivtjerry, Mar 3, 2012
  4. LostTraveler

    LostTraveler Initiate (0) Oct 28, 2011 Maine

    So far Ive opened 4 randomly in the 2 cases and all are now sour from what Ive tried.
     
    #4 LostTraveler, Mar 3, 2012
  5. skivtjerry

    skivtjerry Pooh-Bah (1,865) Mar 10, 2006 Vermont
    Pooh-Bah

    Sounds like the batch had a significant sanitation problem. The old yeast cake is a likely suspect but there are obviously many other possibilities. You will have to investigate your personal brewery space and system to figure out where things went wrong. Cleanliness and sanitation trump pretty much everything else for homebrewers, at least until you have it down cold.
     
    #5 skivtjerry, Mar 4, 2012
  6. francisfilion

    francisfilion Initiate (0) Sep 1, 2011 Canada (QC)

    Definately looks like either the bottles where infected or somewhere along the way something got infected!
     
    #6 francisfilion, Mar 5, 2012
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