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white skim on top of batch

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neagleone

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sometimes when i am fermenting my ales, i get a white skim on the top of the beer. it almost resembles a waxy coating. does anyone know what this is and how to prevent it. yes, the airlock is installed properly, and the lid is secure. HELP!!!
 

Nurmey

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Your yeast is having a party. It's doing just what it's suppose to do so you don't want to prevent it. No one ever said that fermentation was pretty! :tank:
 

razyrsharpe

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i had this happen once and i thought it was an infection. i went ahead and bottled it and found that most bottles had the same film at the bottle neck. two weeks later, it had settled out and the beer tasted great. i don't know what it was, maybe yeast residue of some sort, but it went away and the beer turned out fine.
 

Professor Frink

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Ale yeasts are top fermenting, most beers will give you that film, sometimes even after the krausen dies down.
 
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