Foam layer on top of beer while in secondary fermenter
- Thread starter castillo
- Start date
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you may have stirred up some uneaten sugars and restarted a mini fermentation. If it doesn't go away in a few days then I would be worried. If you look close there is condensation on the inside of the carboy so that means that the liquid is warmer than the class and is transpiring o2 and water vapor, I think. Therefore, IMO, you may have restarted it for a few days.
If it goes away in a few days thenit is just a second round of fermentation and not bacteria. +1 to Jmason13 on the water vapour.
If you didn't take 2 consequetive grav readings to see if fermentation was finished, the you racked too soon, and it's not uncommon then for krausens to form on top of the secondary...and then for new brewers to start "is my beer infected" threads about it. 
You're fine.
You're fine.
