AAu of hops

Discussion in 'General Brewing Discussions' started by Russ, Nov 15, 2014.

  1. Arbe0

    Arbe0 Member

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    looking at BYO magazine, it had a recipe that calls for 2.5 AAU Amarillo hops (0.25 oz./7 g at 10% alpha acids) at 60 min.
    I am not sure what that all means and how many ounces I should use for a 2.5 or 5 gallon batch.
     
  2. PZ

    PZ Member

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    AAUs are the alpha acid percent of the hops times the amount in ounces. In the example provided, 10 AA*0.25 oz=2.5 AAU. If the AA of the hops were 5% the amount you would use would be 2.5/5 = 0.5 ounces. Good luck with the recipe!
     

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