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Thread: UV lights and Beer

  1. #1
    Join Date
    Oct 2002
    Location
    Stavanger Norway
    Posts
    320

    UV lights and Beer

    Do any of you brewers have or use UV lights to prevent airborn bacteria? or Mold.
    Can I use something like this in my fermentation room?

  2. #2
    Join Date
    Feb 2003
    Posts
    30
    Put UV lights about 3 feet off the ground behind the fermenter banks. It seemed to work as no mold grew.

  3. #3
    Join Date
    Mar 2003
    Location
    Baton Rouge, LA
    Posts
    618

    uv lights

    If you have open fermentors they are a real good idia. Not really needed with unitanks though. Standard scubbing and CIP should be good. But, then agin there is no such thing as TOO clean.
    Operations Director, Tin Roof BC
    ted@tinroofbeer.com
    "Your results may vary"

  4. #4
    Join Date
    Feb 2005
    Location
    WI
    Posts
    22
    I wouldnt think it would be a problem, but if you do have open fermenters dont expose the beer to UV light as the alpha acids will be broken down and your product will be skunked long before its time. Perhaps a better air filter vs a UV light would better suit your needs and operating costs.

  5. #5
    Join Date
    Oct 2005
    Location
    san diego, ca.
    Posts
    185
    There was a post on the brewer's association forum about an intersting filter system. It was mostly used in the wine cellars to prevent bacteria. If memory serves correct it was a fan system that went through a UV light to kill bact. and circulate air. I imagine this would lend itself greatly to open fermentation!

  6. #6
    Join Date
    Dec 2003
    Location
    London, United Kingdom
    Posts
    181
    UV lights are sometimes used in sterile filling rooms. You have a fan + hepafilter and then the air passes through a UV light. Keeps the room under +ve pressure with sterile air. I don't see why the same couldn't be used in a fermentation cellar.

    Cheers,

    Alex

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