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Old 05-14-2012, 08:09 PM   #1
Dirk7728
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Default Blowoff tube

Is it real critical to use food grade tubing for a blowoff tube? Its real easy to get 1 1/4" OD tubing from the local hardware store, but food grade, well thats a whole different story

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Old 05-14-2012, 08:13 PM   #2
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You will be find with regular tubing, its what I use and I have never had a problem.

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Old 05-14-2012, 09:43 PM   #3
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I just use regular tubing for everything and have no problems at all, just be sure you sanitize it prior to use and for every use thereafter.

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Old 05-14-2012, 11:55 PM   #4
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Be careful if you're using a non-food grade tubing, or any plastic for that matter, as some can impart flavor into your beer (especially if it's in contact for an extended period of time, or at higher temperatures). Not necessarily saying don't use it - but just something to keep in mind!

Cheers.

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Old 05-15-2012, 03:48 AM   #5
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I think for blowoff tubes and "non-contact" uses you are fine. It should at least be rated for potable water, NSF-PW

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Old 05-15-2012, 03:16 PM   #6
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+1 - Non-Contact uses won't have any negative effects on your final product (or shouldn't, assuming it was done right!)

Cheers!

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Old 05-15-2012, 03:23 PM   #7
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Hardware store tubing is completely fine. Remember, If you do have a blowoff, most of the krausen will be driven up and out of the tube. Only a tiny fraction will drip back into the beer. As long as you sanitize the tubing, you are good to go.

Pez.

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Old 05-15-2012, 09:56 PM   #8
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Good. Thanks to all. For now, I think Im going to get the hose I seen at my local hardware store. Its that clear hose that is reinforced white strands. I think it will be fine until the next time I get into a major city where I have a better chance of finding food grade hoses

Cheers

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Old 05-15-2012, 10:00 PM   #9
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Food grade or reinforced hose would be severe over-kill for a blow off tube. It has no pressure and everything is flowing away from the fermenter. Just get the cheap clear plastic tubing.

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Old 05-15-2012, 11:02 PM   #10
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I'm at day 4 of my Hefe brew and finally switched back to Airlock now that things are chilling out a bit. The krausen is still looking the same though but the beer is lightening up a bit.

For my double IPA, blow off tube installed right at fermenting and I'm glad I did..it's sending some bubbles through but not as much as the Hefe. From now on, while I still have carboys, I'll just use blow off tube as a default action at least for the first few days.

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