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Old 12-15-2011, 04:57 AM   #1
spenghali
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Default Blow off tube or not?

Sorry, I know this is a deadhorse, and I've read a few old threads about this, and the wiki. There was mention of there being many factors to come to the conclusion of blowoff tube or not. Well, I ended up with about 5.5 gallons in a 6.5 gallon fermenter (these are actually about almost 7 gallons). Because of lack of headspace, i was worried about my krausen blowing up, since i also am using a yeast starter. Given these factors, what would you do? I know some of you always use one, but in my case...

OG: 1.062
Batch size: 5.5 gallons
Fermenter: 6.5 gallon pale (almost about 7 gallons)
Yeast starter: One pint, White labs london ale

already have a 3-piece airlock on it, would probably be easy to just throw a tube on the male of the airlock and stick the other end in a growler of star san, so maybe i just answered my own question. thanks for any input!


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Old 12-15-2011, 05:16 AM   #2
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Yeah kinda depends on what strain you are using, but if it were me and I was pitching a "started" culture into a 1062 with the 1 gal narrowing neck of a carboy being the headspace I would throw that tube on there... what yeast are you using???


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Old 12-15-2011, 05:26 AM   #3
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I don't see why wouldnt you use a blow off tube during active fermentation. I'd rather not have to clean up exploded wort.
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Old 12-15-2011, 05:42 AM   #4
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Quote:
Originally Posted by step View Post
Yeah kinda depends on what strain you are using, but if it were me and I was pitching a "started" culture into a 1062 with the 1 gal narrowing neck of a carboy being the headspace I would throw that tube on there... what yeast are you using???
white labs london ale (WLP013)

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Originally Posted by midfielder5 View Post
I don't see why wouldnt you use a blow off tube during active fermentation. I'd rather not have to clean up exploded wort.
that's a good attitude, but i've never used one before. I usually am using an 8 gal bucket, but i recently started upping my production and had some 6.5 pails lying around that i figured i would use instead of buying another fermenter. i guess i might as well throw one on. i have some 3/8" tubing that will probably fit ok onto the 3 piece airlock male.
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Old 12-15-2011, 06:04 AM   #5
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I'm in the group that always uses one. Only takes one messy explosion to learn you don't want another one.
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Old 12-15-2011, 06:09 AM   #6
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Yes. The blow off tube is a good idea. Even when you have 10 gal in a thirteen gallon container.
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Old 12-15-2011, 07:03 AM   #7
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almost just put one on, but it was looking to be a really tight fit, cancelled the attempt since i didn't want to risk infection trying to finagle it on there. i'll be prepared for next time. thanks for all the responses.
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Old 12-15-2011, 07:32 AM   #8
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One too many messy experiences has taught me the value of always using a blowoff.

Sometimes I bottle before ever switching it out for an airlock.
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Old 12-15-2011, 10:17 AM   #9
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I don't know about you, but I could probably rig one up quicker than I could log onto HBT and type up a post.

And assuming you wash your hands and sanitize your tubing, you aren't going to ruin your beer by trying to "finagle" the tubing onto the male of the 3 piece airlock.

After having a beer shoot onto my ceiling from my fermentations, I always use one, at least first off.
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Old 12-15-2011, 10:23 AM   #10
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Cut the tuning at an angle and you can squeeze it onto/into a tight fit easier. I always use blowoff tubes with no worries.


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