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3 Gallon Carboy for 2.5 gal batch?

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Jeeperforlife

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Maybe just ovethinking this one, but ive been thinking about doing smaller batches to try out beer styles ive never had, and experiment in general. Will brewing a 2.5 gal batch (5 gal recipe halved) in a 3 gal carboy be okay? My question is about the excess headspace.
Thanks
 

Buffman

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Headspace will not be an issue. However, I second using a blowoff tube. Or, you could use a few drops of Fermcap to keep the krausen down. With a smaller batch, it'd be a shame to lose any beer as blowoff.
 

Revvy

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I have never had a problem with using a 3 gallon sized water jug or better bottle for a 2.5 gallon batch. Never needed a blowoff tube either. But it never hurts to have the fixins for one, just in case.
 
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Jeeperforlife

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Okay guys thanks for the heads up. Ive got the blowoff tube, just may need a little adaptin...now to start choppin recipes.
 

sp1365

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Yep, it will work fine. I use a 3 gallon BB for my secondary with all my 2.5 gallon batches.
 
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