How do you distinguish between krausen and infection? - Home Brew Forums

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Old 02-13-2011, 08:45 PM   #1
Jan 2011
san marcos, CA
Posts: 6

Though my carboy was thoroughly cleaned and sanitized, I couldn't get a small amount of leftover krausen off the edges. Now my new beer (in the same carboy) has a very thick layer of foam and krausen with some really dark brown bubbly looking areas. It's only been 2 days since I bottled my last beer, so is infection that bad even possible or is it just krausen?

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Old 02-13-2011, 08:48 PM   #2
Post Hoc Ergo Propter Hoc
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Dec 2007
"Detroitish" Michigan
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It's krausen, don't even worry about it. You put a beer in a fermenter, you pitched yeast. 2 days later you have krausen, everything is fine. Fermentation is ugly and stinky, and that is on good days.
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Old 02-13-2011, 08:52 PM   #3
May 2009
Los Angeles
Posts: 8,216
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If you want a pristine carboy fill it with hot water, put in a couple scoops of PBW or oxiclean and let it sit for a couple hours. After the crust goes away, dump it and rinse it out a couple times.

Oh, yeah...and it's definitely krausen.

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