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Old 10-30-2012, 11:56 AM   #1
blackcows
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Jan 2007
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After many years of brewing I have finally gathered up the equipment to control fermenation temps, now that I can control them I need to know how I should control them.

I have probably brewed 50 batches of beer with no temperature control, sometimes I used ice but most of the time I relied on the weatherman to let me know when we might have a couple of cool days to brew and off I went hoping the beer didn't ferment to warm and give me off flavors. In the winter I used a coat to make sure the beer didn't get too cold.

I know that each yeast has a temperture range, in the past I usually just looked at the high and hoped to stay under or close. Now that I have temperature control how do I know where to set the temp within the suggested range? During fermentation is it set it and forget it or do I change temp during fermenation?

Thanks for the help.

 
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Old 10-30-2012, 12:31 PM   #2
Huff360
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Oct 2010
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I like to start on the lower side of the recommended range. Just as you pass high krausen bump the temp up 1 or 2 degrees. Wait a day and bump up another 1 or 2. I continue that process till I reach the upper limit of the recommended range and then give it a day or two and pretty much all activity is complete.

I used to be a "leave it in primary for a month" guy, but with this process I rarely ever leave it in primary for more than 2 weeks. Straight to keg, and drink. Haven't seen any issues from the short conditioning time.

 
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Old 10-30-2012, 07:15 PM   #3
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Quote:
Originally Posted by Huff360 View Post
I like to start on the lower side of the recommended range. Just as you pass high krausen bump the temp up 1 or 2 degrees. Wait a day and bump up another 1 or 2. I continue that process till I reach the upper limit of the recommended range and then give it a day or two and pretty much all activity is complete.

I also do a version of this. Normal ales I keep at around 64, then bump to 66, then to 68 over the course of a week.

Except for Belgians and lagers, obviously. Those are always a bit weird. I had to jump my saison with 3724 up to 90* for 10 days to get it down to FG!
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Old 10-30-2012, 08:55 PM   #4
blackcows
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Jan 2007
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I travel for work, if I were going to be gone during a ferment should I err on the high side or low side for fermentation?

 
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Old 10-30-2012, 08:58 PM   #5
duboman
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Jul 2011
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Quote:
Originally Posted by blackcows View Post
I travel for work, if I were going to be gone during a ferment should I err on the high side or low side for fermentation?
If you choose the middle of the yeast's range you can very rarely go wrong IMO
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Old 10-30-2012, 09:01 PM   #6
theBFG
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Jun 2012
Charlotte, North Carolina
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I typically shoot for the low range (I also travel for work) and assume that whatever I have the cooler set to, the beer is probably 5* warmer (I tape the probe to the carboy and insulate it with a towel). When I come home I bump the temp up after a few days towards the higher end. Hope that makes sense/helps!

 
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Old 10-30-2012, 09:15 PM   #7
Phunhog
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Sep 2008
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I start a couple of degrees cooler then after 48 hours set it at what ever temp I am going to ferment at. Today I brewed a Rye Pale Ale and will ferment at 68 with WL001 so I will start it at 65 degrees.
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