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Old 11-23-2009, 06:30 PM   #1
hoppysailor's Avatar
May 2009
Posts: 134
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We use an old refrigerator with a temp controller for our fermentation chamber. Saturday we brewed two 5 gallon batches of different beers with the same desired fermentation temperatures. With a single batch, I'll tape the temp probe to the fermentor and insulate it. With the two fermentors, I taped the probe to Better Bottle #1 and positioned better bottle #2 so that the temp probe was sandwiched between the two fermentors. I didn't use any insulation. I know that internal fermentation temperatures vary and that my solution is just a compromise. So far it's working well (temperatures within a degree or two but I'm wondering what others have done.

BTW - The back to back brews (with overlap where possible) kept us busy for 8 hours but ultimately saved us about 3 hours off the time for seperate brew days. My wife picked and brewed one recipe and I did the other. We'll do it again.
Mountain View Brewery

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Old 11-23-2009, 10:24 PM   #2
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Hammy71's Avatar
Sep 2008
, Maryland, The Tax Me State
Posts: 5,899
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Sandwiched between the carboys is what I do too.....Although it's been two 5 gallon carboys of the same beer so they usually finish/start the same time. I have two in the ferm chamber now. Same pale ale with notty in one and US-05 in the other. I have to say I never really thought about it until I seen your post.

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