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Old 08-14-2008, 04:33 PM   #1
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Default Fast, simple external cooling method

According to the "Mythbusters" the fastest way to cool down a six-pack, or wort or fermenter, is to use ice + water + salt. They got a room temp six-pack down to 35.9 degrees in 5 min. So next time try adding salt to your sink full of ice and water. I'm not sure what the amount of salt should be but salt is cheap so pour on a lot.

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Old 08-14-2008, 04:36 PM   #2
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I wonder if this would help with a wort chiller much. Maybe it would save the amount of ice I put in it.

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Old 08-14-2008, 10:34 PM   #3
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except salt + water + copper tubing = corroded copper

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Old 08-14-2008, 10:44 PM   #4
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I use this method with my brew pot in the sink. It really seems to help keep the water/ice cold longer. I guess I use about 3-4 tbsp of salt total.

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Old 08-14-2008, 10:49 PM   #5
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I don't have any sort of chiller yet, so (inspired by this mythbusters episode as well) I bought 20 lbs of ice for about 3 bucks, went home made an ice bath with the 20 lbs, cold tap water and just took the salt shaker and shook a good amount of salt in the water. My hands went numb agitating the ice, and my wort chilled down to about 70 degrees faster than ever. I was also wondering the effects of the salt water on my SS pot though, anybody know?

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Old 08-14-2008, 11:05 PM   #6
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I was also wondering the effects of the salt water on my SS pot though, anybody know?
Stainless steel is in reality corrosion resistant steel. It's not corrosion proof, but it won't corrode easily. A little bit of salt water won't hurt it unless it sits in it for a long time (or dries on it). A quick rinse and you'll be good.
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Old 08-14-2008, 11:07 PM   #7
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Thinking of secondary chilling methods for my full-boil aluminium pot: how badly does salt corrode aluminium? Does the protective layer of aluminium oxide protect it effectively?

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Old 08-15-2008, 12:12 AM   #8
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As a wort chiller it shouldn't be in the salt water long enough to make a difference. Just make sure and rinse the pot off ASAP.

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Old 08-15-2008, 12:22 AM   #9
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Well as it stands now it takes 30 minutes for me to cool my wort. You think that will be too long assuming I don't get any better time with the salt? Of course I would rinse right after...

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Old 08-15-2008, 12:41 AM   #10
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I'll have to try salt next time. i just bought 16lbs. of ice, and put half in one sink, half in another (both with water, of course), put the pot into the first until the ice was melted, then into the second. After that, it was 74 degrees, total time < 10min (starting from boiling).

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