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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > Air contamination
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Old 11-06-2008, 09:41 AM   #1
Rob1352
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Default Air contamination

I started a batch of lager yesturday, during the night the fermentation flipped the top off the air lock exposing the inner tube I replaced this with another cap as soon as I noticed and it is bubbling nicely, would the air contaminate the brew and ruin it.

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Old 11-06-2008, 10:07 AM   #2
Loweface
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Don't worry about it. The constant flow of CO2 out of the tube should keep anything from being drawn in...

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Old 11-06-2008, 05:08 PM   #3
TeleTwanger
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I don't even use the cap, no need. It's probably better because you don't want the beer under any pressure, you want no co2 to remain in solution so I use very little water in my airlock and no cap especially in the secondary.
YMMV

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