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Old 02-02-2013, 04:39 PM   #1
el_horno
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Default Airlock Bubbles

I know bubbles are not a sign of fermentation, however if I have had a beer in a primary for three weeks, then i cold crashed it after taking a FG and hitting 1.010 and the airlock is still bubbling, what does this mean? Ive already bottled as FG was stable, I just find this curious.

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Old 02-02-2013, 05:13 PM   #2
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It just off-gases like when you open a bottle. A little jiggle and some of the CO2 comes out of solution.

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Old 02-02-2013, 05:17 PM   #3
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It means your airlock is bubbling.....Gas expands and contracts due to all manner of things, temp swings (you cold crashed, now it is warmer) changes in atmospheric pressure, or gas gets released from the trub layer due to traffic rumbling on the road, the vacuum cleaner going, the dog trying to hump the fermenter....That's WHY we tell you that airlock activity isn't a good indicator of whether or not you have fermentation . Because SO MANY other things can cause airlocks to start AND stop....That's why I basically say, ignore your airlock....

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Old 02-02-2013, 05:20 PM   #4
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This one did have a larger Trub than usual AND my dog does enjoy a good hump. Mystery solved!

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Old 02-02-2013, 05:25 PM   #5
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Quote:
Originally Posted by el_horno View Post
This one did have a larger Trub than usual AND my dog does enjoy a good hump. Mystery solved!

Bad visual of a Great Dane humping a primary bucket...but I laughed anyways!
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