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Saflager S-23 questions

Discussion in 'Yeast' started by Bribie G, 17/5/13.

 

  1. brente1982

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    Posted 31/7/13
    No worries, thought I'd just ask as I was curious

    Will it not shock it when I the pour the warmer hydrated yeast into 12 degree wort?
     
  2. spryzie

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    Posted 31/7/13
    you're allowed 10 degrees difference.

    Your 23 degree yeast will be cooled to 22 I'm sure, sitting for 15 mins.
     
  3. brente1982

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    Posted 31/7/13
    Yeah, cheers, all done now, and in the fermenter. Hopefully she starts to kick off soon.
     
  4. ScubaSteve15

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    Posted 22/8/15
    I'm current;y using S-23 to make a dark lager (like Montieths Black) and have had the fermenter set to 12C for 2 weeks, it's at SG 1029.
    Should I go warmer? I've just done a D-test and it smells a little buttery.
    Any tips?
     
  5. Martin Reeves

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    Posted 12/7/19
    I've pitched this yeast into my lager wort today and have it sitting in the shed - currently 9 degrees and dropping to 7 overnight. Should I use my heat belt to try to keep the temp up around 12-14 or just let it do it's thing in the shed for three weeks? The ambient temp is unlikely to rise above 14. Appreciate any thoughts.
     
  6. gaijin

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    Posted 13/7/19
    The temp in the centre of your fermenter will probably sit around 2C higher than ambient, plus the yeast generates heat while fermenting. This should bring it into the low end of the recommended temp range. If you can provide a bit of insulation to stabilise the temperature fluctuations, it would do a bit better for the yeast health (thus flavour). I start the temp at the low range and begin to let it rise naturally to 18c towards the end of ferment and get great results.
     
    Martin Reeves likes this.
  7. Martin Reeves

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    Posted 13/7/19
    Cheers. I've got a heat belt around the fermenter and it's currently sitting at 10-12c in the shed (Melbourne). Not much airlock activity, only seems to happen when I move the heat belt around then stops after a few mins. Should I be worried about no airlock activity or just trust the yeast is doing its thing?
     
  8. Martin Reeves

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    Posted 15/7/19
    Update - lots of airlock activity over days 2-4 at a steady 12 degree temp in shed. Occasionally turning heat belt on in the afternoon to prepare for the overnight drop but otherwise using ambient temps. Quietly confident with this brew.
     

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