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Old 06-07-2013, 02:33 AM   #1
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Default Will a 3-piece airlock go dry in two weeks?

Have batch where fermentation is on the downward slope and it's in a ferm chamber currently sitting at 64F. I'll probably raise the temp to 66F tomorrow morning before I head out on two-week trip.

Question is, will a 3-piece airlock go dry over that time? I'm using vodka in it.

And, if it does go dry, how much risk of infection is there?


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Old 06-07-2013, 02:36 AM   #2
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I use star-san and leave it for a few weeks, i drink vodka! its your choice tho....


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Old 06-07-2013, 02:37 AM   #3
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I've used tequila and starsan and it's never gone anywhere.
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Old 06-07-2013, 02:51 AM   #4
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Quote:
Originally Posted by smonteton View Post
I use star-san and leave it for a few weeks, i drink vodka! its your choice tho....
Yeah, I've used both. Happened to have the vodka bottle handy this time around.

That is a good point though. The Starsan may have lower evaporation rate.
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Old 06-07-2013, 12:29 PM   #5
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fwiw, I had six 6.5g fermenters going at various stages when I left for a two week tour of Italy, four using s-locks and two using 3-piece, using vodka. None of them were even close to dry when I returned - even while the traps in all the sinks and toilets were dropping dramatically while our area sweltered through four days in the 90s...

Cheers!
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Old 06-07-2013, 12:56 PM   #6
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Last time I started a batch right before leaving for a month in vacations, I did the only real viable and sure not to dry out option:

I used a blowoff tube with like 4 liters of water in the bucket... There you go... solved... I could leave without worries.

I heard of liquidless airlocks but never tried them...
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Old 06-07-2013, 01:18 PM   #7
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The potential for suck-back would make that a non-starter for me...

Cheers!
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Old 06-07-2013, 01:26 PM   #8
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Quote:
Originally Posted by atreid View Post
I heard of liquidless airlocks but never tried them...
I think the space station has one. You don't have to worry about the airlock drying out, but the yeast takes FOREVER to flocc out.
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Old 06-07-2013, 06:07 PM   #9
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I think the space station has one. You don't have to worry about the airlock drying out, but the yeast takes FOREVER to flocc out.
Well I've had a 3-pieces airlock dry out in 3 weeks... So yes, it happens... and it's really not fun at all...

And no, not only on the space station: http://www.rebelbrewer.com/shop/carb...rless-airlock/

Don't know if it still exists... maybe it was crap...
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Old 06-07-2013, 06:11 PM   #10
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Quote:
Originally Posted by day_trippr View Post
The potential for suck-back would make that a non-starter for me...

Cheers!
Suck back like a meter height of water to the top of the fermenter? Eeuh No... Just No...


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