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Thread: Airlock question

  1. #1
    Join Date
    Jan 2012
    Location
    Clinton Township Michigan
    Posts
    84

    Default Airlock question

    My second batch of "warranty voided" JAO is clearing well. At about 5 weeks in I noticed that the water level in my airlock dropped substantially. I topped them off with boiled then cooled water and the level has dropped again and I see water in the stem that goes into the carboy. It is as if the water is being sucked into carboy. Any clues as to what is causing this and what I can do about it will be greatly appreciated.

    Thanks in advance,

    Vandall.

  2. #2
    Join Date
    Dec 2007
    Location
    Wisconsin BEER Capitol USA
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    292

    Default

    I have had an airlock bubble backwards due to temp change. It deosnt last long are you using the 3 piece air lock. That is the only way I would imagine water going back in..
    If you use star san or such I would put that in the lock.

  3. #3
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    Dec 2007
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    Default

    There isnt any mea is there? Any spillage outside your fermenter?

  4. #4
    Join Date
    Jan 2012
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    Clinton Township Michigan
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    Default

    Thanks for the quick response Veritas. There is no MEA or spillage and yes I am using the 3 piece airlocks. Would water with sodium metabisulphate work in the airlock?

  5. #5

    Default

    Quote Originally Posted by Vandall View Post
    Thanks for the quick response Veritas. There is no MEA or spillage and yes I am using the 3 piece airlocks. Would water with sodium metabisulphate work in the airlock?
    It would, work indeed.

    Cheap clear distilled spirits at room temp would also work and help avoid temp diff suckage
    #! /bin/ksh
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  6. #6
    Join Date
    Dec 2007
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    Default

    That should be fine.

  7. #7
    Join Date
    May 2005
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    Between Jackson and Detroit
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    Default

    Yeah, temp changes, pressure changes, tipsy pixies...

    I usually mix my bubbler water ( 1/2 water, 1/2 vodka ) so it shouldn't get infected,
    and pass anything along if some gets sucked back into the mead.
    Bees stole my signature file!

  8. #8
    Join Date
    Jun 2006
    Location
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    Default

    If liquid is being sucked back in, you might have it filled too high. There is a little line on the outer cup, don't fill past that. With less liquid, air can bubble back through the airlock if the interior pressure drops enough, but the liquid won't run into your batch.
    Want to see something added to the GotMead Glossary? PM me! Didn't know we had a glossary? Check the top row of links.

  9. Default

    ...or it could just be condensation from the water in your must evaporating...

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