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Old 06-29-2011, 02:53 AM   #1
BesteBrew
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Hey all

So to deal with higher temps i set up my first swamp cooler when i brewed monday afternoon. Used WLP400 (Optimum Fermentation Temperature: 67-74F.) By tuesday morning fermentation was going good and i had my water in my cooler around 62 because i thought temps inside were to be a couple degress higher then the water temps but out of curiosity i checked my inside temp tonight and it was around 62, the same as the ouside water. Should i keep my temps of the outside water the same and expect the inside temps to rise or should i stop switching out frozen water bottles and let the whole system rise to around 70?


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Old 06-29-2011, 06:45 PM   #2
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If during the height of fermentation you noticed the temps the same, I'd imagine that it would stay that way the whole time. I'd make the exterior temp the same as I want the interior temp to be; it probably will be, +/- a degree.


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Old 06-29-2011, 07:07 PM   #3
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I second chowsers comments. Shoot for a degree or two below your desired temperature. If there is enough thermal mass in the swamp cooler water you very well could be extremely close to the actual fermentation temperatures.
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Old 06-29-2011, 07:58 PM   #4
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Quote:
Originally Posted by BesteBrew View Post
Hey all

So to deal with higher temps i set up my first swamp cooler when i brewed monday afternoon. Used WLP400 (Optimum Fermentation Temperature: 67-74F.) By tuesday morning fermentation was going good and i had my water in my cooler around 62 because i thought temps inside were to be a couple degress higher then the water temps but out of curiosity i checked my inside temp tonight and it was around 62, the same as the ouside water. Should i keep my temps of the outside water the same and expect the inside temps to rise or should i stop switching out frozen water bottles and let the whole system rise to around 70?
It's unusual that the fermentation temp wouldn't be a little higher than the water in the cooler. Once the fermentation slows down, it usually equalizes.
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