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Old 02-03-2008, 05:46 AM   #1
Mishkin
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Default oxidized beer with plastic fermenters?

I read that plastic fermenters let air in after a period of time. My lager is still fermenting after about 2 weeks and still has about 10 hydrometer points to go and I'm starting to worry about the beer being oxidized. How long do you think it takes for beer in a plastic fermenter to get oxidized?



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Old 02-03-2008, 05:51 AM   #2
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when the airlock stops bubbling steadily it's time to transfer to a carboy/BB.

as long as co2 is still being actively produced the pressure differential inside an ale pale type bucket will prevent oxidation. when co2 production slows/stops is when o2 is able to migrate through the hdpe plastic



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Old 02-03-2008, 05:52 AM   #3
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Quote:
Originally Posted by Mishkin
I read that plastic fermenters let air in after a period of time. My lager is still fermenting after about 2 weeks and still has about 10 hydrometer points to go and I'm starting to worry about the beer being oxidized. How long do you think it takes for beer in a plastic fermenter to get oxidized?
I wouldn't even begin to worry about it for another two weeks. And even then, I wouldn't worry much.
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Old 02-03-2008, 06:10 AM   #4
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Old 02-03-2008, 07:00 AM   #5
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I hate oxidised beer but I always ferment in plastic. After 10-14 days it goes in a corni and I bottle the excess. No oxidation. I've even left it for months in a plastic fermenter, still no oxidation.
The oxygen transfer through plastic is a hand that is over played.



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