Cover AFTER boil? - Home Brew Forums
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Old 05-06-2009, 08:52 PM   #1
loughbrew
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May 2009
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I know quite well not to cover my boil kettle during the boil. but what about after flame out, during cooling?

 
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Old 05-06-2009, 08:54 PM   #2
woollybugger2
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Feb 2009
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I use to cover my partial boils with a lid while they were sitting in the ice bath...

now I'm using an immersion chiller and don't cover....

you would just use the cover to prevent any nasties from reaching your wort while its cooling...
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Old 05-06-2009, 08:56 PM   #3
menschmaschine
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Delaware
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I "loosely" put the lid on in the last couple minutes of the boil (being careful of boil-overs) to heat sanitize the inside of the lid. After the boil, it's best to cover the wort as much as possible to prevent contamination. But contamination isn't a huge concern until the temperature of the wort gets below the 140sF.
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Old 05-06-2009, 08:57 PM   #4
ChillyP
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Jan 2007
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I always cover mine right before I turn the flame off. What I do is get some aluminum foil and cover my kettle. I give it a nice hard 20 count to sanitize the aluminum foil with steam and then I shut the gas off. Normally I have my Wort Chiller in my kettle to sanitize it. So the wort chiller and my thermometer are the only things sticking out from the foil. I normally cool down outside so this keep unwanted airborne particles, dogs, bugs, stray water, etc out of my kettle.

 
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Old 05-06-2009, 08:59 PM   #5
ifishsum
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Aug 2008
Portland OR
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Obviously you'll get several different answers here - what I do is leave the cover off for the first 10 minutes or so so I can stir the wort and speed up cooling. I figure the steam coming off will keep any bugs out. As it cools and the steam stops rising I usually cover it for the rest of the cooling process. I imagine by this time it's also dropped to the point where DMS shouldn't be a worry.
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Old 05-06-2009, 09:01 PM   #6
loughbrew
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May 2009
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thanks everyone. I am doing my first brew- an all grain bavarian hefewiezen.

 
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Old 05-06-2009, 11:04 PM   #7
Christian
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Sep 2008
Salt Lake City, UT
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I never put my lid on after the boil and i have never had a problem.
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Old 05-07-2009, 12:12 AM   #8
LooyvilleLarry
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Aug 2008
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Yes, I cover loosely to prevent things like Bird Poop Ale.

 
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Old 05-07-2009, 12:40 AM   #9
Yambor44
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I place a towel on mine to let the steam out and nothing in.

 
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Old 05-07-2009, 02:17 AM   #10
khiddy
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I cover mine with the lid, which only sits on top loosely because of the immersion chiller. The cool thing is that because I'm using a turkey fryer, there's a tiny hole in the center of the lid for the deep thermometer to pop through, so that I can easily monitor my chilling. Occasionally, I lift and jiggle the chiller to agitate the water gently to increase efficiency. Last time, it was about 15 minutes from flameout to pouring into the fermenter.
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