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Old 12-20-2007, 11:41 AM   #1
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Default Blow off tube ?

Based on what I have read. You are supposed to remove the blow off tube after active fermentation completes. Replacing them with air locks.

If I am planning on using a secondary is there really a point in doing it that way? Maybe the difference from 3-4 days to 7-10.

Maybe it is a sanitary issue. Certainly removing to blow off tube earlier makes it easier to clean. What do you guys think?

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Old 12-20-2007, 12:12 PM   #2
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I've gone both ways - leaving it on till secondary and taking it off and putting on an airlock - and I don't think it makes a difference at all. I only take off the blowoff tube because it's easier to clean it out right after fermentation slows down than when it dries out.


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Old 12-20-2007, 01:16 PM   #3
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i always leave mine in

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Old 12-20-2007, 01:47 PM   #4
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Quote:
Originally Posted by brewhead
i always leave mine in

I've never seen someone use a PVC pipe, I might have to try that.
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Old 12-20-2007, 01:49 PM   #5
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leave the joints friction fit to break it down and clean it
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Old 12-20-2007, 07:08 PM   #6
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Thank you guys that is what I figured...

Very cool Brewhead!
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Old 12-20-2007, 07:15 PM   #7
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Quote:
Originally Posted by brewhead
i always leave mine in

Now, that is cool... I normally just put 5g into a 6.5g carboy and use an airlock. The krausen has never gotten near the top.

In the rare isntance I did use a 6g or 5g carboy though I've fitted the mouth of the carboy snug with 1"+ tubing, but it definitely was a PITA. I will definitely think about doing this PVC blowoff now. Good idea!
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Old 12-20-2007, 07:50 PM   #8
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u can use a regular bung that u use for the airlock. however i have found that some of my really big beers would produce a lot of flocculent and stop up the small hole.

so if you will take your step bit, turn the bung upside down, and drill out the center piece - you will then have lots of clearance for a ny flocculant and krausen. i would suggest grain alcohol for sanatizing the bung assembly as star san makes things very slippery and it will just slide out of the carboy mouth until it's dry
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Old 12-20-2007, 08:21 PM   #9
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Thanks for the tips, sir!
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Old 12-20-2007, 08:23 PM   #10
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I leave my blowoff hooked up the whole time I'm in primary. That's about 7-14 days for me. If I for some reason don't use the blowoff, I use a rubber stopper with foil wrapped over it. I like to live on the edge


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