Subject: IBU'S TO HBU'S
Date: 1992-04-23 19:52:20 GMT
4.5 if you assume MAX UTilization of 30
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IBU = HBU's (3.75) --- this assumes a utilization factor of 25
HBU = IBU/ (3.75) --- this assumes a utilization factor of 25
EX: Bass ALE = 20 ibu's = 5.33 HBU's = 5.33 AAU's
or ~ 1oz of goldings
BTW, 25 is the U.F. that terry Miller uses in his Pale Ale book
recipes. Eckhart also states that 25 is a good starting point for
the homebrewer.
/Mal Card
p.s. I derived this simple formula using Eckhart and Papazian formulas.
along with some help from HBD.
p.p.s. I too said "no wonder my brews have been too hoppy".
p.p.s. You may note that your all-grain hop rate may need to be
reduced if you are comparing with your old extract recipes.
IE. 12 HBU's in an extract boil, yields a lower utilization
than 12HBU's in an all grain recipe.
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