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Old 01-09-2009, 02:32 AM   #1
Jan 2009
Posts: 99

What does everyone fill their airlock with? I am new to brewing i've been using vodka I hear this is ok to do?

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Old 01-09-2009, 02:35 AM   #2
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Jun 2006
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Vodka is perfect! Some use a sanitizer mix, and some use plain water. Those are all fine, as long as you remember that sometimes the liquid in the fermenter can be sucked back (via vacuum pressure, like in weather changes) into the fermenter. So, anything that would be relatively benign to your beer would be a good choice. Don't use bleach, for example.
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Old 01-09-2009, 02:35 AM   #3
Dec 2008
London Ontario
Posts: 89

Yes, vodka!

bacteria won't grow in it. and if there is any suck back into the carboy it will just add to your ABV!

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Old 01-09-2009, 01:41 PM   #4
Sherpa FE
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Oct 2007
Blairsville, Georgia
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Some people even put just aluminum foil over the top for the primary.

I personally use Stan San mixed with water.
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Old 01-09-2009, 01:47 PM   #5
Apr 2008
Frederick, MD
Posts: 546
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I usually start with Vodka but if the level lowers at all, I will fill it up with a couple squirts from my idophor sanitizer bottle.

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Old 01-09-2009, 02:04 PM   #6
Oct 2008
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My friend uses salt water.

He has a fruit fly problem and they can get in the lock through the little holes and lay eggs. Then the next generation gets in your fermentor while they are maggots. I have seen this.

I use water.

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Old 01-09-2009, 06:25 PM   #7
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Aug 2008
Portland OR
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I normally use sanitizer (iodophor) water that was left over from when I sanitized my brewing equipment. It gets renewed when I move to secondary.
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