Aerate miss & yeast starter issue!!

Discussion in 'General Brewing Discussions' started by TomKzn, Sep 18, 2015.

  1. TomKzn

    TomKzn New Member

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    Needing some advice here please:
    Brewed a Bohemian-type Pilsner recently, but some mistakes...
    Tuesday night brewday.
    Did yeast starter in warm (not pasteurized) water , but had to leave it to sit overnight (covered) as I was unable to cool wort down rapidly from the boil, had equipment issues and water restrictions.
    Put fermenter in freezer for 7 hours. Removed and temp was 16 degrees, pitched yeast (Saflager W34/70).
    FORGOT to aerate!!!
    Fermentation started a bit later into Wednesday. Airlock CO2 was smelling good through to Thursday.
    Friday - smelled airlock CO2, smelled slightly off like sulphur, bit worried.
    Would this off smell be due to the yeast starter having to sit overnight and got infected?
    Or possibly due to slow cool-down time?
     
  2. Ozarks Mountain Brew

    Staff Member

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    neither and its most likely not infected, its normal for that yeast, you will need to lager it to get rid of it at very cold temps later
     
  3. TomKzn

    TomKzn New Member

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    Thanks Ozarks! Relieved... I do plan to lager it when its ready.
     
  4. Nosybear

    Nosybear Well-Known Member

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    Some sulfur is normal with lager yeast. RDWHAHB.
     
  5. GernBlanston

    GernBlanston New Member

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    If I didn't get some sulfur with a German lager, I would think somethings gone wrong.
     

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