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Carboy airspace levels?

Discussion in 'Fermentation & Yeast' started by blairellis, Oct 12, 2010.

 

  1. #1
    blairellis

    Member

    Posted Oct 12, 2010
    How much airspace do you need to leave for proper fermentation in a 6 gal carboy?
     
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  2. #2
    Nateo

    Well-Known Member

    Posted Oct 12, 2010
    Depends on your yeast, and if you're using a blowoff tube. I use 25% as a rule of thumb, but I'll bump that up to 30-40% if I'm using 3787 or others that krausen really hard.
     
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