Blow off tube

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Blow off tube

Postby dbeyer » Sun Nov 29, 2009 6:20 pm

Hi, I'm new to this form so forgive me if I seem green.
I'm using a blow off tube for my primary fermenter (glass carboy)
I checked it Saurday, the 2nd day of Fermentation, and water is backing up the tube from the 1 gallon jug I'm using. Water did not enter the carboy, but I did remove the tube from the carboy stopper to allow the water to return to the jug. Am I at risk for contamination? Also, it does not seem to be producing any bubbles into the jug, any advice would be appreciated.
dbeyer
 
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Re: Blow off tube

Postby Wild » Mon Nov 30, 2009 6:28 am

A change in temperature will create negative pressure.
You shouldn't have a problem with contamination.
In the future, leave it be as long as there is plenty of hose
between the fermenter and blowoff bucket.
One the pressure evens out; replace the hose with a sanitized airlock.

Good luck,
Wild
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Re: Blow off tube

Postby Kirby » Wed Dec 02, 2009 2:32 pm

Not to worry. Lots of folks don't use any airlock in the primary.
Cheers.
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