Is there an online almanac of sorts for hop alpha-acid percentages in the past? | HomeBrewTalk.com - Beer, Wine, Mead, & Cider Brewing Discussion Community.

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Is there an online almanac of sorts for hop alpha-acid percentages in the past?

Discussion in 'Beginners Beer Brewing Forum' started by eddiek85, Mar 13, 2017.

 

  1. #1
    eddiek85

    Active Member

    Posted Mar 13, 2017
    Just wondering because a recipe I tried to put in for Punk IPA showed IBU ratings that were significantly lower than what I was getting in brewsmith when I input the hops with current AA%. I'm getting 110IBU in Brewsmith but the actual beer is only 45IBU while the recipe. The recipe is from 2010, but the closest thing I could find were the AA% for 2009. I modified the recipe using the '09 AA% instead of 2016 and immediately it dropped by almost by half. I wasn't able to find the '10 AA% and was hoping I could use those to bring reasonably closer to factory IBUs.

    Thanks for the help!
     
  2. #2
    brewcat

    Well-Known Member

    Posted Mar 13, 2017
    What hops? Maybe somebody has it in their notes. I started keeping AA% in my recipe notes. I don't think I did in 2010 though.
     
  3. #3
    eddiek85

    Active Member

    Posted Mar 14, 2017
    I need the percent for Chinook and Ahtunam. *Fingers Crossed*. I'm kinda surprised producers don't have this on hand. Maybe if I email them they would know.
     
  4. #4
    MrBJones

    Well-Known Member

    Posted Mar 19, 2017
    Based on my purchases of hops, the AA% varies; the % for a specific batch of a certain type will be within a certain range. I'm looking at two packages of YCH Hops, both East Kent Golding, one is labeled 4.8%, the other 5.5%. Look HERE for info.
     
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