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Old 10-05-2008, 12:40 PM   #1
BoxofRain
 
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Anyone know off the top of their head what diameter hose will work with a better bottle for blowoff? I'm confident that a #10 stopper will work but I'm looking for a blowoff tube that will fit directly in this bad boy.

 
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Old 10-05-2008, 01:37 PM   #2
Jilaman
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I would think it is probably going to need a 2" diameter hose to fit snug. The #10 stopper is 1" 15/16" at it's largest...

so it might be smaller than 2 inches.
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Old 10-05-2008, 01:41 PM   #3
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Well the dimensions of a #10 stopper are 1-5/8" at the narrowest point and about 2" at the widest, so it's somewhere in there... I don't think you'll find vinyl tubing anywhere near that big locally - you can find something suitable from mcmaster if you're willing to pay like $5-15 a foot.

But honestly, a blowoff tube that big seems ridiculous - you'd have quite a time trying to get it bent down into a bucket of sanitizer. I think you'd be better off with a compromise, using a #10 stopper drilled with a much larger hole than usual so you can stick something like 1" tubing into it.

 
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Old 10-05-2008, 01:45 PM   #4
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I took a #10 stopper and drilled it for the 1.25 tubing that I had on hand and fits my glass carboy. I could not find that large of vinyl tube at the hardware store as stated above. I think I measured it at 1 7/8"
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Old 10-05-2008, 01:51 PM   #5
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Wow...I didn't realize it was that big. Ok...so I have 1 1/4 for my glass carboy. I'll just drill a #10. Any tips on the best way to drill?

 
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Old 10-05-2008, 02:08 PM   #6
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I have a small drill press and used a hole saw. It is not the easiest thing to drill because it squishes under load so you have to do it fairly slow. If I had to do it by hand I would try to secure it in place with a piece of scrap wood underneath it.
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Old 10-05-2008, 02:09 PM   #7
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I use BBs with #10 stoppers and 3-piece air locks. For blow-off, I install just the base of the air lock and put small diameter tubing (can't remember size, I think it's 1/2 inch) over the hole in the air lock. I've never had the stopper pop off and it shouldn't... unless you use Star-San (w/o rinsing), which I understand can be slippery and essentially lubricate the stopper.
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Old 10-06-2008, 07:49 PM   #8
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Quote:
Originally Posted by menschmaschine View Post
I use BBs with #10 stoppers and 3-piece air locks. For blow-off, I install just the base of the air lock and put small diameter tubing (can't remember size, I think it's 1/2 inch) over the hole in the air lock. I've never had the stopper pop off and it shouldn't... unless you use Star-San (w/o rinsing), which I understand can be slippery and essentially lubricate the stopper.
I use star san w/o rinsing in that same setup and I haven't had an issue...
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Old 10-06-2008, 09:18 PM   #9
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plastic barbed splicer a #10 stopper and some some vinyl tubing works great and it does not require any modification to the stopper.
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Old 10-07-2008, 02:32 PM   #10
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http://www.homebrewtalk.com/f13/need...plosion-77541/

The above thread should help.

 
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