alcohol tolerance

Yakima 728
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  1. H

    Help me.

    I know 25% alcohol tolerance for wlp 099. However, it brewed an Imperial Stout of 20 liters, which was an og 1.138. Ten days later the FG was 1.082. Of course, I made a four-liter starter. Is the fermentation speed slow at 099? I plan to add one more 099 . What do you think?
    • HGBM.SOO
    • Thread
    • alcohol tolerance fermenation imperial stout white labs yeast alcohol tolerance
    • Replies: 8
    • Forum: Fermentation & Yeast
  2. Ouroboros

    Genetics of yeast flavor, flocculation, etc...

    Anyone know if people are looking into the genetic factors underlying things like alcohol tolerance, flocculation, and flavor profile? I imagine a lot of these characteristics are polygenetic (not to mention subjective), but I'm not sure. I doubt the NIH is awarding fat grants to study that...
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