Fermenting

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dave1776

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My all grain is fermenting well, I'm using a 3 piece airlock and about 20 minutes ago some foam bubbled up into the airlock. I have vodka in the airlock. Should I change out the airlock later tonight or just leave well enough alone?
 
If by foam you mean krausen, you're headed for a blowoff. You need to rig a blowoff tube to some water or you may be headed for a messy cleanup.
 
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