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Old 03-25-2008, 12:46 PM   #1
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Default Minimum "Safe" Notty Fermentation Temp?

I've got a special bitter fermenting downstairs right now with Nottingham. The carboy temp is about 59f right now. Since I don't want too many esters in there, I'm inclined to keep it low, but how low is "safe" for this yeast before it stalls? It's got a nice little fermentation going right now, but I usually don't ferment with notty any lower than 65f---hell, I've used the yeast a dozen times in the past, just not this cold. Anyone had Notty stall out on you because of low temps? If so, how low did you go to cause it to stall? Should I warm it up a few degrees or just wait and raise the temps later to finish it out? I keep waiting for the aerobic activity to bring the temp up a few degrees, but nothing so far. Whaddayathink?

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Old 03-25-2008, 12:48 PM   #2
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I've gone down in the low 60s...around 62 degrees with out an issue but no experience w/ lower temps than that.

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Old 03-25-2008, 12:49 PM   #3
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I've had it in the high 50s before, and it was great. Slow, but steady. My house isn't even 62 degrees in the winter, so all of my ales are fermented that cool and nottingham has been a champ. (I've also used Pacific Ale yeast successfully at those low temps, but WLP001 gave me a little trouble). As long as it's plugging along (and above 58 degrees or so), I say let it go!

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Old 03-25-2008, 01:05 PM   #4
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I read a post at least a year ago so I forget where but whoever it was fermented Nottingham at 55° regularly with good results. I don't know whether that was wort temp or ambient temp.

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Old 03-25-2008, 01:08 PM   #5
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Quote:
Originally Posted by brewt00l
I've gone down in the low 60s...around 62 degrees with out an issue but no experience w/ lower temps than that.
+1...the only difference I noticed was it took slightly longer to finish
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Old 03-25-2008, 01:34 PM   #6
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Cool, thanks---I'll let it do its thang then. I suspected as much, considering it's chugging along, but it never hurts to double check, right?

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Old 03-25-2008, 01:55 PM   #7
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I have my ESB going right now. I started in my 58 degree basement and it seemed to go dormant. I guess maybe it was still working slowly, but it stayed steady for about three days above FG before I moved it. After moving it to about 62 degrees, and giving it a swirl, it picked back up and finished off.

Cant say for sure that it wouldn't have finished at 58, but it seemed to like it just a little higher.

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Old 03-25-2008, 09:31 PM   #8
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So I guess you're fine right now.
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Old 03-25-2008, 09:41 PM   #9
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I'm fermenting with Notty at 65 degrees and ambient is 52 due to the heat generated. It's taking much longer to finish compared to fermenting simply at room temp. (It's in a freezer with a digital controller sensor taped to the bucket).

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Old 03-25-2008, 10:29 PM   #10
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same here...i've fermented it at 58F and it did just fine

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