What to look for if yeast doesnt appear active... - Home Brew Forums
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Old 04-21-2008, 06:48 PM   #1
morganm
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Mar 2008
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I brewed up a Sierra Nevada Pale Ale clone on the night of 4/17/08. It's now been just shy of 4 days and I dont see any activity on the airlock. I know that this doesnt necessarily mean the yeast isnt working possibly due to air leaking elsewhere but I want to pop it open and give it a visual examination...

What should I look for? I used the Nottinghamn dry packet.

Thanks in advance.



 
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Old 04-21-2008, 06:50 PM   #2
Yooper
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Jun 2006
UP of Michigan, Winter Texan
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You should see krausen- the white foamy "head" on the beer. Or, if fermentation has already occurred, you will see a nasty ring just above the level of the beer. That's a ring left from the krausen. Either one of those signs can tell you if fermentation has taken place or is taking place now. While it's open, use a sanitized turkey baster and take a sample for a SG reading. That's the "for sure" way to know where you're at.
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