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Old 03-27-2009, 09:05 PM   #1
hayabusa
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Default Blowoff Jug Empty?!

Check me on something.....


The mason jar that was full of Starsan, and my blowoff tube was in is now empty. It didn't evaporate overnight in a sealed chamber and I changed the Starsan out yesterday... I am fermenting in a cornie... any chance of negative pressure pulling it into the cornie? I can't imagine that would be possible but the solution is missing.... no mess in the chamber, no holes in the glass.

?

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Old 03-27-2009, 09:11 PM   #2
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change in temperature sucked it all back into your fermenter.

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Old 03-27-2009, 09:12 PM   #3
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Yes it is possible. I don't know the tech. terms for it but from what I understand a differance in temp. or pressure could cause a suction. I've read that most would not worry about the starsan in the beer a mason jar should not do that much damage.

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Old 03-27-2009, 09:44 PM   #4
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a monkey snuck into your house - kicked over your starsan jar; cleaned up the mess, and put the mason jar back upright.

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Old 03-27-2009, 09:47 PM   #5
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Quote:
Originally Posted by AZ_IPA View Post
a monkey snuck into your house - kicked over your starsan jar; cleaned up the mess, and put the mason jar back upright.

f-kin monkies....

chamber stays at 62F constant - wasn't temperature. Weird. I'm not to worried about it...... cest la vie.
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Old 03-27-2009, 10:15 PM   #6
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If your mason jar is higher than your fermenter then gravity can also do the damndest things. Most likely though it was fermenting and then stopped, pressure dropped and sucked it into the fermenter.

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Old 03-27-2009, 11:54 PM   #7
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Originally Posted by Matt Up North View Post
If your mason jar is higher than your fermenter then gravity can also do the damndest things. Most likely though it was fermenting and then stopped, pressure dropped and sucked it into the fermenter.
its not, its on the floor... I know it has to be something but the obvious doesn't fit the situation... I like the monkey... blame the damned monkeys.
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Old 03-28-2009, 12:58 AM   #8
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What is the ID of your tubing? I always use a big bore blowoff tube (at least 1" ID) to prevent things like this

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Old 03-28-2009, 06:05 AM   #9
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how would diameter prevent? Mine is 1/2"

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Old 03-28-2009, 06:16 AM   #10
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well my guess is that if you put a 1/2" dia tubing into water and suck on it, its not that hard. If you put a 1" dia tubing into water and suck on it it would be a lot more difficult to move the water.



-Nick

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