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Old 11-08-2010, 11:41 PM   #1
Mainer28
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Default 60 Degrees too Cold for WLP001?

Does anyone know if 60 degrees is too cold for WLP001? I pitched 12 hours ago at 72 and put in the cellar, so far its been pretty quiet.

Thanks,
Mainer.

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Old 11-09-2010, 12:12 AM   #2
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According to White Labs site, optimum range is 68-73, so it does seem to be a tad cold.

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Old 11-09-2010, 12:24 AM   #3
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I had a batch of US-05 running at 55 degrees beer temperature, even had blow off. Granted this was in a water/ice bath so the temp was not that stable, and I can definitely get some diacetyl in the beer when I drink it now. I don't recommend it without a diacetyl rest

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Old 11-09-2010, 12:29 AM   #4
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I regularly ferment WLP001 at 62 degrees. Depending on your recipe/how much yeast you pitched you should be fine. But if you had a 1.070 wort and only pitched 1 vile, no starter, couple that with low temps, that will slow thigs down a bit.

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Old 11-09-2010, 12:36 AM   #5
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Quote:
Originally Posted by avidhomebrewer View Post
According to White Labs site, optimum range is 68-73, so it does seem to be a tad cold.
There 400 is listed at about the same range. It dropped to 55 one night and I thought the yeast would drop. Didn't. Did the second batch at 55 for the entire time and it came out better than the first. So, don't put too much stock in the numbers on the site.
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Old 11-09-2010, 12:41 AM   #6
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I had the same question the other day. I went to the White Labs web site & listened to Chris White's audio about WLP001. He says "some brewers will ferment it at 65 or even in the high 50's."

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Old 11-09-2010, 01:54 AM   #7
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Thanks all. It is beginning to bubble now at about 28 hours later. I used one vial with a weak AG wort of 1.045.

I am custom to my summer cellar of 76 and using water baths to cool the temp. and having strong and early fermentations.

Thanks again,

Mainer.

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Old 11-09-2010, 02:10 AM   #8
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I actually just emailed white labs about that here's what I got in reponse

"Yes, you can certainly ferment a beer with WLP001 at 62F. Just keep in
mind that the lag phase and the fermentation will take a bit longer at the
lower temperature, so be patient with it and it should do fine."

"Fermenting at lower temperatures will actually reduce the ester production and provide a cleaner fermentation profile, so you shouldn't have to worry about any off flavors, especially with the WLP001 which is such a neutral fermenter anyway."

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Old 11-13-2010, 03:19 PM   #9
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I have fermented 001 at 60-62 several times. Turns out great, just takes a little longer.

Eric

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Old 11-20-2010, 02:14 PM   #10
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Just a quick follow up. 13 days later, the FG is 1.008 and the is taste clean.

Mainer28

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