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Old 07-03-2010, 07:38 AM   #1
Nov 2009
Brooklyn, NY
Posts: 62

Searched all around on here, can't find a definitive answer. What do you think the smallest CU I can get away with is for 6.5 gallon fermenter? I'm temp controlling ales, any better ways?


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Old 07-03-2010, 01:17 PM   #2
I use secondaries. :p
Walker's Avatar
Sep 2005
Cary, NC
Posts: 10,987
Liked 101 Times on 89 Posts

you'll probably need something larger than 4 cubic feet, but that measurement alone is not going to be a good enough answer. You will need to get accurate measurements of the inside of the think as well as your fermenter dimensions to be sure it will fit.
Ground Fault Brewing Co.

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Old 07-03-2010, 01:48 PM   #3
Jun 2009
Lopez Island, WA
Posts: 3,705
Liked 555 Times on 406 Posts

Measure the dimensions of the box your carboy came in and make sure the interior dimensions are greater than that. You might have to put in a blowoff because of headspace issues.

Here's mine. I haven't temp controlled it yet.

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