Sudden cessation of fermentation

Discussion in 'General Brewing Discussions' started by Adrian Gresores, Oct 4, 2018.

  1. Adrian Gresores

    Adrian Gresores New Member

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    Something very strange happened today. Four days ago, I started fermenting an IPA. I'm using Imperial Yeast A24 Dry Hop at 68 degrees F. Expected OG was 1.067, but I only got 1.060. No big deal. Started bubbling within 12 hours. Went out of town for last 2 days. When I came back today, the blow-off tube was bubbling every 4 - 5 seconds and gravity had dropped to 1.020. I then decided to switch the blow-off tube to a 3 piece airlock, since the krausen was not that thick. However, from that moment, about 8 hours ago, there has been no bubbling in my airlock! In addition, the gravity has not dropped at all (I have a Tilt hydrometer, so I know the gravity continuously).

    Anybody have any idea why this might have happened?

    Thanks,
    Adrian
     
  2. oliver

    oliver Well-Known Member

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    test it next to a triple scale hydrometer? See if you get the same results..

    If you do get the same results, bump the temperature up into the 70s, give the fermenter a little rousing, see if that wakes it up.
     
  3. The Brew Mentor

    The Brew Mentor Well-Known Member

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    I'm sure everything is fine.
    Unless it's a very high flocculating Yeast, it's just slowing down as it nears the end.
    I'd walk away for a few days, or a week really, and then take a look at it.
    Raising it up to 70° will also help it to finish.
    Good luck and fill us in a week from now.
    Brian
     
    Head First and Beer_Pirate like this.

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