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Old 12-26-2012, 05:04 PM   #1
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Default Lactose film

I have a beer (braggot) in primary that has a high percentage of lactose in it. It has developed a white film on the top of the beer after about 4 weeks. I don't think it's an infection at all, it looks a lot like cream floating on the top.

Has anyone experienced this when using lactose?

Details:
1 gallon batch
4 oz of lactose
1 pound malted oats
1 pound honey
Oats were mashed and sparged, then the lactose and honey were added to the 100 degree wort.

No temperature control on the fermentation.

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Old 12-26-2012, 05:51 PM   #2
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was there no boil? sounds like an infection from your details

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Old 12-26-2012, 06:01 PM   #3
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was there no boil? sounds like an infection from your details
Yep. Sounds like an infection. Lactose is a sugar, and dissolves just fine in liquid.
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Old 12-26-2012, 06:53 PM   #4
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There was a boil.
I hope it's not an infection.
I'll have to taste it and see what I have.

I'll post a picture too if I get the chance.

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