Cold crashing with a mr. Beer fermenter

Discussion in 'Homebrewing' started by GetMeAnIPA, Jul 9, 2014.

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  1. GetMeAnIPA

    GetMeAnIPA Pooh-Bah (2,559) Mar 28, 2009 California
    Pooh-Bah

    Doing an "experimental" 2 gallon batch with a mr. Beer fermenter. The fermenter has a lid that screws on with notches in it. If I were to cold crash with it should I put a cover to prevent any suck back of oxygen though the notches?
     
    #1 GetMeAnIPA, Jul 9, 2014
  2. HerbMeowing

    HerbMeowing Maven (1,295) Nov 10, 2010 Virginia
    Trader

    Two things...
    1) MrB's LBK has the capacity to ferment a 2.45G (9L) batch size.
    2) There's little...if any...'suck-back' when cold crashing an LBK.
    3) RDWHAHB
     
    #2 HerbMeowing, Jul 10, 2014
    GetMeAnIPA likes this.
  3. GetMeAnIPA

    GetMeAnIPA Pooh-Bah (2,559) Mar 28, 2009 California
    Pooh-Bah

    Thanks! I wasn't sure was causes air to be sucked back into the fermenter.
     
    #3 GetMeAnIPA, Jul 10, 2014
  4. VikeMan

    VikeMan Grand Pooh-Bah (3,067) Jul 12, 2009 Pennsylvania
    Pooh-Bah

    Suckback is caused by a drop in pressure (such as is caused by a drop in temperature when crashing). I don't see how a Mr. Beer keg would be any more or less susceptible to it than, say, a carboy. But I agree it's not something to obsess over. If you want to cold crash, it's a necessary evil. (Unless you can transfer to something sealed, like a corney keg, first.)
     
    #4 VikeMan, Jul 10, 2014
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