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Old 11-13-2012, 08:57 PM   #1
Rambleon
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So I have a sweet stout that has been sitting in the secondary for about a month, patiently waiting for me to bottle it. All airlock activity stopped about three weeks ago. Then, suddenly, bubbles started appearing in the beer. There isn't really any airlock activity but there is a small ring of carbonation-like bubbles at the top and you can see plenty of bubbles rising up. Has the ferment picked back up for some reason? Or has some alien invader rendered my precious brew undrinkable?

 
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Old 11-13-2012, 09:19 PM   #2
HeadyKilowatt
 
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Hard to say without pics, but you probably don't have anything to worry about. The bubbles you see are probably just CO2 coming out of solution. This can happen for a variety of reasons including moving/jostling the fermenter or a change in ambient temp/atmospheric pressure.
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Old 11-13-2012, 09:21 PM   #3
Hopper5000
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tempature swings can cause carbonation to leave the beer but pics would help

 
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Old 11-13-2012, 09:31 PM   #4
Rambleon
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Here's a pic of the action.
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Old 11-13-2012, 09:37 PM   #5
HeadyKilowatt
 
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Just bubbles and no floaters- looks like CO2. I think you're okay.
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Old 11-13-2012, 09:41 PM   #6
JordanThomas
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Rdwhahb!

 
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Old 11-13-2012, 09:41 PM   #7
TheZymurgist
 
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You should be fine. Do a search for infections and pellicle. You'll see what a real infection looks like.

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Old 11-13-2012, 09:43 PM   #8
Rambleon
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-sigh of relief-
Thanks for your help. This beer is supposed to be for my wife once our son is born. I think she's more relieved than I am.

 
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Old 11-13-2012, 10:07 PM   #9
Hopper5000
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ya I think you are fine.

 
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Old 11-13-2012, 10:12 PM   #10
daksin
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Yea, what you're seeing is bubbles. Infections look more like a skin across the entire beer or huge connected bubbles. There's a pellicle identification thread around here. Yours is one of the cleanest looking fermentors I've ever seen.
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