VIOLENT fermentation!! Why?? - Home Brew Forums
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Old 01-30-2012, 11:24 PM   #1
metalbrewer
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Jun 2010
san diego
Posts: 66


I brewed this sat and on sun I was getting a good normal fermentation, but in the middle of the night , Pow! My lid blew off I sealed it off but again Pow! so I did a growler with a blow off tube bcuz I had this prob once before and it worked then. This time it's working but still going crazy, I gave foam coming out of the growler. Is this a common problem? And why?



 
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Old 01-30-2012, 11:35 PM   #2
BigEd
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Nov 2004
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It's not a problem, it's a good thing. Strong, happy yeast just love to ferment.



 
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Old 01-30-2012, 11:47 PM   #3
periwinkle1239
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Apr 2011
St. Louis, Missouri
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It is definitely a common thing, not really a problem. However high ferm temps can also contribute to it, say if you're 70+ degrees.

However I am fermenting an IPA at 62 degrees right now that I brewed 24 hours ago, and it is about ready to blow off. Granted I pitched a healthy starter of pacman yeast...

 
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Old 01-30-2012, 11:52 PM   #4
metalbrewer
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Jun 2010
san diego
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Ok . But yeah I think it might have to do with my temp and happy yeast I have one of those sticker thermometer things on my bucket.. Is that the temp of the brew or the room??

 
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Old 01-31-2012, 12:08 AM   #5
BryceL
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Feb 2011
Yorba Linda, CA
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The sticky thermometer should be reading the temperature of the wort, not the ambient.

 
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Old 01-31-2012, 12:11 AM   #6
bierhaus15
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Aug 2008
, New York
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Generally speaking, 'violent' fermentations are not necessarily a good thing. Over pitching and high ferment temps can do as much harm to a brew as one that was under pitched or fermented cold.

 
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Old 01-31-2012, 12:12 AM   #7
metalbrewer
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Jun 2010
san diego
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Quote:
Originally Posted by BryceL
The sticky thermometer should be reading the temperature of the wort, not the ambient.
Ok thanks for the info, now I must clean the dried wort splatter on my walls haha

 
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Old 01-31-2012, 01:27 AM   #8
spenghali
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Jan 2009
Corvallis, OR
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Quote:
Originally Posted by periwinkle1239 View Post
However I am fermenting an IPA at 62 degrees right now that I brewed 24 hours ago, and it is about ready to blow off. Granted I pitched a healthy starter of pacman yeast...
Every time I pitch a healthy starter of pacman the machine gun sound of the blow off keeps me up at night.

 
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Old 01-31-2012, 01:30 AM   #9
JohnnyO
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Dec 2008
Hamden, CT
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I'm sorry, but including any word in ALLCAPS in your title necessitates a picture in your post.

__________________
Fermenting: Munich Helles, Mole Porter, White IPA, SMaSH 2Row/Jarrylo
Drinking: Cider, Stout
On Deck: TBD

 
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Old 01-31-2012, 01:34 AM   #10
solo103
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Aug 2011
jacksonville, florida
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You should buy a glass car boy and run a blow off tube instead of the basic airlock and you won't ever have to worry about the lid or airlock blowing off .



 
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