Vacuum in fermenter????? - Home Brew Forums

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Old 03-26-2011, 03:00 PM   #1
Feb 2011
Casper, Wyoming
Posts: 62

Good morning all, according to my airlock, there is negative pressure in my fermenter. I've never seen this before Is this common?

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Old 03-26-2011, 03:06 PM   #2
Jan 2011
Glendora, CA
Posts: 862
Liked 15 Times on 14 Posts

Gas pressure decreases when temperature drops.
See my cheap new Keezer Build Here:

Primary: 2 Row IPA
Second Primary: Kolsch-like ale

Keg 1: Blur Moon
Keg 2: Empty
Keg 3: Empty

Bottled: None

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Old 03-26-2011, 03:07 PM   #3
Sep 2009
Cary, NC
Posts: 209
Liked 2 Times on 2 Posts

Yes! Not unusual. Detach your airlock and reattach it:
Fightin' Texas Aggie Class of 2006! Whoop!

"Beans are proof that God loves us and wants us to be gassy." - Benjamin Franklin

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