Homebrewers - Whats in the fermenter?

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Originally Posted by rack04

Beware of suck back from the airlock or blowoff. Dropping temp creates a vacuum and for those people who have an elevated blowoff this could create a siphon. I use a S-style airlock and I noticed last night that the sanitizer solution froze before the wort reached 38 degrees.

How bout using vodka and not the san solution so there is no worries about freezing? ;o)