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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > cold crashing at 20F?
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Old 03-26-2010, 02:25 PM   #1
jalgayer
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Default cold crashing at 20F?

all-i was thinking of taking my 42F carboy and putting it outside at 18F from midnight til 9am. it has been at 42F for 4 days... is that too cold for too long or would it work well as the cold crash? thanks!


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Old 03-26-2010, 02:38 PM   #2
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I would be worried about it freezing and possibly causing the carboy to burst.


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Old 03-26-2010, 03:32 PM   #3
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Quote:
Originally Posted by BrookdaleBrew View Post
I would be worried about it freezing and possibly causing the carboy to burst.
I agree, my thoughts exactly.
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Old 03-26-2010, 03:34 PM   #4
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Yes, that cold will make for bad times.
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Old 03-26-2010, 03:47 PM   #5
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Quote:
Originally Posted by BrookdaleBrew View Post
I would be worried about it freezing and possibly causing the carboy to burst.
For 9 hours? Not a chance. You might get a layer of ice on the top, but there is no change of bulk freezing 5 gallons at 20 degrees for 9 hours. That said, I still wouldn't do it.
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Old 03-26-2010, 08:42 PM   #6
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You want to cold crash the beer....not freeze crash/crack your carboy.
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Old 03-26-2010, 10:35 PM   #7
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Guys, he won't crack the carboy. I let mine sit outside until midnight last night and then I put a blanket around it and there was absolutely no ice on it. Not even a little skim. It was 21 degrees last night. If making ice were this easy, I'd still be ice fishing right now... :P
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Old 03-26-2010, 10:41 PM   #8
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This is the first time i've even read about cold crashing - been looking around the last hour or so about it - What is the typical cold crash temp for ales? How long? What about kegging?
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Old 03-26-2010, 10:43 PM   #9
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how about putting a sweatshirt around it to insulate a bit. Split the difference.

I have had my cooler in the 20s to crash cool a beer with no troubles, set a 6 degree gap from 26-32 if I remember right.
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Old 03-27-2010, 04:08 AM   #10
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Well... Its time to put it out... I guess the bottom line is I am not gonna risk it.
It may work and clear the beer some... But if it freezes I would cry.
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