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Old 08-09-2012, 06:36 PM   #1
Glynn
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Default SOOOO......How is it that (no airlock bubbles)

I am staring at my glass carboy and i see a nice 1 inch head of foam and a flurry of stuff floating, falling and swirling around but not an ounce activity from my airlock. how is that you can see its fermenting away but nothing bubbling. I know the lock is fine cuz i saw it work on my last batch. fermentation just started really going today and i have it currently at 64. the yeast is denny's favorite 1450 which I've never used before and it seemed to take longer to get going than other types I've used (no i didn't use a starter this time.bad brewer bad) is there a scientific reason my curiosity is peeked



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Old 08-09-2012, 06:38 PM   #2
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Because bubbling does not equal fermentation.

Probably just early in fermentation or there isn't a tight seal on the top of your carboy.



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Old 08-09-2012, 06:39 PM   #3
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You have a leak. Likely your carboy cap isn't as sealed as you think.

Gas finds the least resistance to escape, so there's a gap that is less resistance than the airlock water.

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Old 08-11-2012, 12:51 PM   #4
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Well i am still at a loss. My brew has been fermenting steadily for 3 days now but my s style lock still wont bubble. have tried 2 cap and two locks. place plastic wrap over the mouth of the carboy and punched a hole in it to force a better seal. i can see the lock is under pressure because most of the water is on the other side of the lock. all i can assume is its not fermenting fast enough to produce a lot of gas. i let the temp rise from 60 to 66 to see if it makes a diff

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Old 08-11-2012, 12:55 PM   #5
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If you see active fermentation in the carboy I wouldn't mess with it too much. As others have said, airlock activity doesn't mean much. Your yeast are doing their thing.

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Old 08-11-2012, 01:35 PM   #6
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Quote:
Originally Posted by Glynn View Post
Well i am still at a loss. My brew has been fermenting steadily for 3 days now but my s style lock still wont bubble. have tried 2 cap and two locks. place plastic wrap over the mouth of the carboy and punched a hole in it to force a better seal. i can see the lock is under pressure because most of the water is on the other side of the lock. all i can assume is its not fermenting fast enough to produce a lot of gas. i let the temp rise from 60 to 66 to see if it makes a diff
If it's fermenting, there's no problem. Don't fix it if it isn't broken.
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Old 08-11-2012, 01:41 PM   #7
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Leak. Yeast don't swim. They move around due to the CO2 that is coming out of solution, rising and churning the wort. That CO2 must be leaving your carboy somehow. Wrap some seran wrap around the bottle neck and stopper if you want to see the airlock move.

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Old 08-11-2012, 01:58 PM   #8
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Take your Spray bottle with starsan mix and spray around the air lock/cap. See if it's bubbling anywhere.

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Old 08-11-2012, 02:05 PM   #9
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I think you said you were using a carboy? Is your airlock in a stopper? I tried one of those rubber caps that fit over the neck of the carboy that has a couple of outlets. They do not seal very well. When I used that I never saw bubbling. But, if it's fermenting.. there just has to be bubbles. The CO2 has to go someplace. There is a leak somewhere.. but, I'd not worry about it unless your "binky" is visible bubbles.

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Old 08-11-2012, 02:10 PM   #10
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Is there water in it? Sorry...had to say it.



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