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Old 01-03-2013, 04:13 PM   #1
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Default Immersion Chiller and Risk of Contamination....Due to Open Pot???

Up until now I've done my extract boils indoors with an electric stove....TAKES FOREVER!!!! I've always left the cover on slightly, but loose, to decrease the time to boil. I now know about DMS and won't be doing that anymore.

But I always left the lid on to prevent contamination while the wort cools down in an ice bath. It seems DMS is still a possibility until the wort reaches a certain temp so ideally I'd leave the cover off for the hour or so it takes to cool. That makes me worry about bugs getting in my wort.

I just bought an immersion chiller that should bring my cool down times to 30-45 minutes. I still worry about baddies getting in my wort.

Am I worrying for no good reason? How to you protect your wort while it cools down?

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Old 01-03-2013, 04:17 PM   #2
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We don't. We plop it in, let it do it's job, and rack to a fermenter, and it works fine for us. I never use a lid

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Old 01-03-2013, 04:18 PM   #3
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You will more than likely be fine. As long as you practiced good sanitation techniques during your brewing process, keep the lid on as much as possible to reduce exposure, and pitch healthy yeast, your chances of exposure are minimal.

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Old 01-03-2013, 04:31 PM   #4
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I'm more worried about specs of dust from my 115yr old house or a family member walking by and inadvertently getting some microscopic thing in the wort while its cooling. 30-45 minutes is a long time for something to fall into an open kettle.

I'm a sanitation nut....and I feel the cooling period with an open brew pot is the only time I don't have control over sanitation. Am I just being more paranoid than usual?

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Old 01-03-2013, 04:32 PM   #5
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Quote:
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Am I just being more paranoid than usual?
Yes
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Old 01-03-2013, 04:38 PM   #6
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My lid is notched. You could do the same with a dremel tool.

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Old 01-03-2013, 04:42 PM   #7
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My lid is notched. You could do the same with a dremel tool.
I just found my solution. Thank you! BTW...I need to get my a nice brew kettle like that. I imagine having a spigot is 1000 times easier than dicking with a beer thief.

Quick newbie question....how do you prevent the sludge at the bottom of the wort from getting into the carboy when racking right out of the spigot?
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Old 01-03-2013, 04:45 PM   #8
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Make sure you place the immersion chiller in for the last 10 minutes of the boil to sanitize it.
My immersion chiller takes a little while to cool and I never put a lid on and have yet to have a problem.

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Old 01-03-2013, 05:01 PM   #9
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Make sure you place the immersion chiller in for the last 10 minutes of the boil to sanitize it.
Good point. I was just thinking of spraying it with Star-San prior to dunking it in the wort.
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Old 01-03-2013, 05:10 PM   #10
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I place a large grease splatter guard over the pot while it is chilling. Works great. Keeps everything out and still allows airflow to help cool it down.

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