Dry yeast shelf life?

Discussion in 'Homebrewing' started by utahbeerdude, Sep 22, 2012.

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  1. utahbeerdude

    utahbeerdude Maven (1,374) May 2, 2006 Utah

    I have two packs of US-05, produced June 2010 and kept in the fridge. Are these good to go, or should I pick up some more? Thanks!
     
    #1 utahbeerdude, Sep 22, 2012
  2. GreenKrusty101

    GreenKrusty101 Initiate (0) Dec 4, 2008 Nevada

    Been using US-05 for awhile and have never seen a manufacture date...only a best by date. With a 6/2010 date I think I would just use them both for (1) normal gravity 5gal brew session.
     
    #2 GreenKrusty101, Sep 22, 2012
  3. Ilanko

    Ilanko Initiate (0) Aug 3, 2012 New York

    rehydrate the yeast in sanitized plastic(PET) bottle, after 30 minute shake it well. if bubble or foam start to show up you reedy to go
     
    #3 Ilanko, Sep 22, 2012
  4. mikehartigan

    mikehartigan Maven (1,421) Apr 9, 2007 Illinois

    Normally, I wouldn't recommend it with a dry yeast, but this is not a normal situation - it's likely 2+ years past its 'best by' date. I'd suggest making a starter with it just to be sure you have enough good stuff.
     
    #4 mikehartigan, Sep 22, 2012
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