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Old 08-28-2008, 02:35 AM   #1
Jewrican
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Default Blow-Off Tube Size?

I did a quick search and found a few threads talking about this very thing but i found threads that said they use a 1.25" but mentioned that they were concerned about air getting in and then i saw one that mentioned they use a stopper and a 3/8ths " tube in it to the bucket.

I have a stopper with the hole for the air lock in it, can I safely use that with a 5 gal carboy with 5 gals of beer in it? I would imaging that regardless of the size, it would do what it is supposed to right?

Let me know if I am making a big mistake by doing it this way. I am going to brew my first batch tomorrow or this weekend.

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Old 08-28-2008, 02:39 AM   #2
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On my carboys a 1.25" tube fits very snugly and I have had no ill effects from using it. I don't think 3/8ths is quite big enough for large blowoffs.

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Old 08-28-2008, 02:55 AM   #3
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Quote:
Originally Posted by NNatic View Post
I have a stopper with the hole for the air lock in it, can I safely use that with a 5 gal carboy with 5 gals of beer in it? I would imaging that regardless of the size, it would do what it is supposed to right?
Is there anyway you can get your hands on a 6.5 gal carboy? You are going to need that head space. 3/8ths will be ok for a medium OG Ale. I do a 3/8ths for ales up to 1.06 and haven't had a problem so far.
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Old 08-28-2008, 04:26 AM   #4
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1.25 inch OD tubing was very loose in my 6.5 and 5 gallon carboys.

Mike

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Old 08-28-2008, 07:55 PM   #5
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Originally Posted by blk94f150 View Post
1.25 inch OD tubing was very loose in my 6.5 and 5 gallon carboys.

Mike
i just bought the 1.25" tube so lets hope that it fits

If not, ill just have to get the one that does... hopefully they will take the return
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Old 08-28-2008, 08:19 PM   #6
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If 1.25" tube is to loose just take some tape...do a couple turn on the end of the tube that goes in the carboy... easy fix. I would use electrical tape or duct tape.

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Old 08-29-2008, 01:14 AM   #7
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I'm using a #7 stopper with a 3/8s I think tube jammed in it. Not much of a blowoff tube really, more like need 3 airlocks and only have 2.

Mike

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