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Old 03-27-2010, 03:56 PM   #1
blobs
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Jun 2009
IL
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Can I brew a 3 gallon batch of beer using the BIAG method and ferment in a 8 gallon bucket? I heard this can cause harm to your beer. Any ideas thanks

 
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Old 03-27-2010, 04:04 PM   #2

I wouldn't suggest it. You might be alright in primary, but why risk it?
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Old 03-27-2010, 04:38 PM   #3
samc
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Aug 2008
Portland OR
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The fermentation will create enough CO2 to protect the beer during fermentation. I've done 6 gallons in a 16 gallon conical without problems but I got the beer into kegs after 10 days. Leaving it too long as previously mentioned adds a level of risk.

 
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Old 03-28-2010, 01:55 PM   #4
kanzimonson
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Aug 2009
Charlottesville, VA
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Yeah, I think you'll be fine so long as you don't let it sit for too long after fermentation finishes. I mean, don't get scared or anything if you have to leave it an extra week or something. Maybe try to get it out 3 weeks after pitching?

 
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Old 03-29-2010, 02:14 AM   #5
Jmiltime
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Nov 2009
Az
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People have mentioned the 'risk', but I don't know what you are risking. As samc stated CO2 is heavier than O2 so it creates a layer of protection from oxidation directly on top of your wort. Sanitation is the other issue, but that has no bearing on the size of your fermenter. I don't think you will have any problems that you wouldn't have in a smaller fermenter.

Good luck!

 
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Old 03-30-2010, 05:15 PM   #6
Mongo64
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Mar 2009
Beaverton, OR
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I wouldn't worry about doing this. As previously CO2 is heavier than air and will displace most of the O2 during primary fermentation. For primary fermentation you should be fine but I wouldn't transfer to a secondary.

 
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