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Old 11-30-2009, 06:50 PM   #1
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Default white film on edges of carboy?

I have a wheat beer with an addition of blueberry juice added to the secondary. There is a thin white film on the first and second horizontal edges. Does anyone know what this is? I hat has been in the secondary for 25 days.
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Old 11-30-2009, 06:55 PM   #2
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Most likely yeast that has flocculated on the inner bevels. I get the same thing. When I cold crash, they drop off the bevels to the bottom.

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Old 11-30-2009, 06:59 PM   #3
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it is also possible that you have an infection from unwanted bacteria. Take a sample and taste it. If it is good then it is fine.. if it is really sour and awful then its prolly infected.

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Old 11-30-2009, 07:01 PM   #4
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Thank again to the brain trust! I will taste it today and report back.

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Old 11-30-2009, 07:01 PM   #5
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It is almost certainly yeast settling on the horizontal ribs in your carboy and not an infection. Infections live on the surface.

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Old 11-30-2009, 09:10 PM   #6
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Thanks for the replies. I'm happy to say that it tastes great, and the beer is really sweet from the blueberry juice. I took a reading which was at 1.019 and the OG was 1.050. That means around 4% ABV. Should I keep waiting to see if I can go higher, even though it tastes nice, if a bit sweet or bottle now? Any suggestions. I will have to add some gelatin (I think that is what it's called) to clarify it. It has lots of flying kreusen and yeast.

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