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Dry Hopping with High AA

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  • Dry Hopping with High AA

    Will a high alfa acid hop be utilized during dry hopping in a similar way as when boiled?

    i.e. using 2 oz/bbl of columbus at 14% instead of 5 oz/bbl of cascade 5.6%

    I am sure I should have figured this out while I was strictly a homebrewer......

    Thanks
    Dave

  • #2
    I use strictly columbus in dry hopping my pale and I have found I dont need near as much as when I used mostly cascade.
    Big Willey
    "You are what you is." FZ

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    • #3
      Dry hopping contributes hop oils to enhance aroma. You may want to look a Hopunion’s Hop Variety Characteristics to get more information on typical oil content of various hop varieties. http://www.hopunion.com/hopunion-variety-databook.pdf

      Higher alpha does not translate to higher oil content. In the varieties that BigWilley mentioned, Columbus typically has a higher oil content than Cascade (1.5-2.0 ml/100g vs. 0.8-1.5 ml/100g) and does contribute more aroma. Galena, a common high alpha hop (12-14%) generally has a low oil content (0.9-1.2 ml/100g). Brewers Gold (8-10%) has a typical oil content of 2.0-2.4 ml/100.

      Its up to you do determine what variety contributes the aroma you want but varieties with higher oil content will contribute more aroma than varieties with low oil content.

      MoreBeer

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      • #4
        AAU's

        Morebeer had a good responce but for clarifiction I will add this:
        NO.
        What you are quoting is the AAU's of the hops- the bittering acids % by weight. As MB said, this isnt the oil content which is responcible for aroma. In dry hopping you can ignore the AAU's as the hops will give off intangible bitterness.
        For ex, I use 3 lbs in a large straining bag (2x3 from Crosby Baker)tide to the carb stone directly into my server for my IPA and 2.5lbs for my pale. Stuffing any more is a waste as I found dry, untilized, hops in the center when I packed more in. For larger batches (over 15bbl) use more bags.
        It really is a try & taste thing in the end.
        Brewmaster, Minocqua Brewing Company
        tbriggs@minocquabrewingcompany.com
        "Your results may vary"

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