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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Silicone waterless air locks?
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Old 02-12-2013, 04:57 PM   #21
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It will do that. I have it filled to the line while fermenting then when i crash take it down to half way and get none. I guess i could just leave it half way all the time but if this system works for me what's wrong about it?


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Old 02-12-2013, 05:03 PM   #22
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Quote:
Originally Posted by bja View Post
If it's sucking sanitizer back into the fermenter, you're doing it wrong. I've never seen that happen.
Your using glass carboys then.

With BB's when you pick them up they tend to suck air, and sometimes santizer through the airlock.

The long and short of it is I could give two ****s about a few thimbles of sanitizer or vodka getting sucked into my beer, it wont affect the 5.5 gallons its going into.

You guys should find something more impactful to worry about.


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Old 02-12-2013, 05:17 PM   #23
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Quote:
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Your using glass carboys then.
I would never use anything else.
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Old 02-12-2013, 05:18 PM   #24
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Correct...I usually only get the suck back when I cold crash...but again, it can happen which is why I like the silicone air locks.
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Old 02-12-2013, 05:19 PM   #25
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I would never use anything else.
LOL...
if you wanna come down to motown I'll take the pepsi challenge with you anytime.
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Old 02-12-2013, 05:24 PM   #26
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LOL...
if you wanna come down to motown I'll take the pepsi challenge with you anytime.
I prefer Coke.
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Old 02-12-2013, 05:39 PM   #27
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I prefer Coke.
well played
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Old 02-12-2013, 06:31 PM   #28
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Quote:
Originally Posted by Dolomieu View Post
If i have it filled to the line it will suck in when cold crashing. It's not much, and won't ruin the beer. That it's the level at which you are suppose to fill it correct?

if i remove half, which i now do i have no problems when i cold crash.

I have always been told to fill these to the line, but please enlighten me if that is wrong. I'm always up to learn something new.
He was referring to s-shaped airlocks.
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Old 02-12-2013, 07:00 PM   #29
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Quote:
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He was referring to s-shaped airlocks.
yeah i caught up. a bit slow today sorry. Though i still saw my buddies s shape suck back.
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Old 02-12-2013, 08:19 PM   #30
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If you read the ad page and the comments just below it, it says the silicone is very slippery when wet. It says the airlock and the gromment need to be perfectly dry. Unlikely to stay perfectly dry in a high krausen situation. The 2 peice or "ess" shaped airlock will suck sanitizer back in the fermenter if the pressure drops. However, as mentioned above, the 3 peice airlock will not. Sounds like the traditional 3 piece airlock will solve your problem.


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