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Old 03-10-2012, 05:43 PM   #1
jgerard
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Default My first Explosive fermentation....

I brewed a Brewers Best American Amber ale last night and I noticed the yeast starting to kick into gear after only a few hours. I went out and stayed at my girlfriends last night and when I came back I smelled it as soon as I stepped in my house. (Smells so good.)

The airlock had blown out the top.... but it isn't nearly as bad as some of the ones I've seen pictures of, and I got it just in time to clean it up quick and throw a 1/4in hose I use to siphon into the bung hole (haha).

I hope I don't lose too many beers through the blow off. How much to you usually lose? It looks like so far I just lost the finger or so I fill it past the 5g mark, I'm glad I caught it and knew what to do from reading HBT all the time!

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Old 03-10-2012, 05:54 PM   #2
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Am I okay to leave this for the week for spring break now that I have the blowoff setup? It won't suck back enough to get the nasty solution in the beer will it?

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Old 03-11-2012, 12:59 AM   #3
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I put mine in the bathtub just in case when I left for vacation.

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Old 03-11-2012, 01:49 AM   #4
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A blow-off is just like a big airlock. No issues leaving it.

Invest in some FermCap. It reduces the risk of blow-off. If you use it in the kettle, it stops boil-overs. I will not brew without it. I reckon it costs about 10 cents a batch, but saves a lot of worry in the boil, and saves a lot of beer in the fermenter.

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Old 03-11-2012, 05:25 AM   #5
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Does FermCap change the final product at all? I have never read much into it, I was afraid it would kill the head of the finished beer.

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Old 03-12-2012, 12:56 AM   #6
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Originally Posted by jgerard View Post
Does FermCap change the final product at all? I have never read much into it, I was afraid it would kill the head of the finished beer.
I've not noticed any difference. It is supposed to be an inert silicon based material that drops out after fermentation. It supposedly improves head retention.
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Old 03-18-2012, 10:31 PM   #7
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As I feared, the bung was blown out again during spring break. I don't know how many days the carboy was open, could have been for the whole week. I don't see any signs of infection, there's nothing on top butt a few islands of bubbles and some of the crusty trub that fell off into the beer. Any reccomendations on what to do next? Wait for fg and keg it asap?

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Old 03-18-2012, 10:48 PM   #8
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I hope I don't lose too many beers through the blow off. How much to you usually lose? It looks like so far I just lost the finger or so I fill it past the 5g mark, I'm glad I caught it and knew what to do from reading HBT all the time!
I re-capture the beer that blows out of my fermentor with this set-up;


It's just a sanitized, empty water jug with an airlock on it. When beer blows into it I just pour it back into the fermentor..
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Old 03-18-2012, 11:14 PM   #9
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Just my thoughts. Watch it in the carboy for a while. If nothing funky grows on or in it, Keg it!

Worst case scenario, it got infected. Maybe some off flavors or something. It seems fermentation is somewhat complete so there is alcohol in solution to help protect it.

If it looks good after a week or so, I would keg it and try it. There is a chance it is fine, but only time will tell. Good luck!

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Old 03-18-2012, 11:56 PM   #10
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I re-capture the beer that blows out of my fermentor with this set-up;


It's just a sanitized, empty water jug with an airlock on it. When beer blows into it I just pour it back into the fermentor..
Please say you don't. You are kidding, right?
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