From the HBD Archive
From: (Walter H. Gude)
Subject: IBU, AAU's, HBU
Date: 1992-03-03 14:46:44 GMT

Ay, the confusion. As I understand it:

HBUs are # of oz. of hops times alpha acid.

AAUs are (#oz. * AA) per gallon of wort. (or is it per 5 gal.)

And IBU are probalby a linear multiplication of AAUs. (i.e. AAUs*Constant).

Help me, help me please, I been hypnoootized.

Any help here would be greatly appreciated.

Walter Gude

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