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OYL-052 and diacetyl

Discussion in 'Fermentation & Yeast' started by WiscBrewer, Feb 22, 2018.

 

  1. #1
    WiscBrewer

    Well-Known Member

    Posted Feb 22, 2018
    I'm thinking about using OYL-052 for an IPA, but have a concern. The Omega folks indicate this yeast "May produce some diacetyl". Has anyone run into this? Will lower fermentation temps (e.g. 65-66) prevent diacetyl? Do you ramp up to low 70's toward the end of fermentation? Thanks.
     
  2. #2
    EtchyLives

    Supporting Member  

    Posted Feb 25, 2018
    I used this for a 68° fermentation, and ramped up to 72° for a d-rest on a 1.055 NEIPA. Not a hint of diacetyl. I like this yeast for the fruity hop bomb style beers.
     
    jessej122 likes this.
  3. #3
    WiscBrewer

    Well-Known Member

    Posted Feb 25, 2018
    Thanks Etchy
     
  4. #4
    Azura

    Banned

    Posted Feb 25, 2018
    I've used it about 8x. Start at 66F. Hold for 4 days. Finish at 72-75F for 3 days, then chill. This schedule produces a noticeable peach ester without diacetyl. Over pitching reduces the peach. Not elevating the temperature in the second phase has resulted in under attenuation, but not significant diacetyl. This yeast should drop super clear with 10 days in the primary. No cold crash. No finings. Even with a big keg dry hop.
     
  5. #5
    WiscBrewer

    Well-Known Member

    Posted Feb 26, 2018
    Thanks Azura. I'll give it a try!
     
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