aluminum stock pot turned black? - Home Brew Forums
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Old 11-30-2009, 07:55 PM   #1
hopsoda
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I boiled some water in a new alluminum 30qt stockpot it turned the entire inside with a black like soot?

is this normal? looks bad.



 
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Old 11-30-2009, 08:00 PM   #2
tobrew
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Yes it is normal. Mines been like that for over a year. No problems at all.
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Old 11-30-2009, 08:01 PM   #3
hopsoda
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how should i go about cleaning it?

 
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Old 11-30-2009, 08:02 PM   #4
PT Ray
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It will turn blackish to a certain degree, a form of seasoning for aluminum so don't worry too much. I've been using a 7 gallon aluminum pot for strike water for several years now and has that look inside.

 
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Old 11-30-2009, 08:03 PM   #5
waldoar15
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Ohio
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Mine never turned black, but it did get a nice oxide coating on it, which is what you want.

 
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Old 11-30-2009, 08:05 PM   #6
hopsoda
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ok so should i scrub it with an abrasive pad , or gently wash it with a rag and boil in it a few more times? ... to get it ready to brew in?

 
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Old 11-30-2009, 08:06 PM   #7
Walker
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You don't need to do anything to it. It's ready to be used again.
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Old 11-30-2009, 08:07 PM   #8
Rushis
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That black layer is aluminum oxide formed by the oxidation of aluminum by the slightly acidic condition of the wort and dissolved oxygen in your wort during the boil. If you clean it off that layer will reform the next you brew a batch. It shouldn't have any deleterious effects on your beer.

If the cosmetic change in your pot bothers you, the only viable solution is getting a stainless steel brew kettle.

 
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Old 11-30-2009, 08:12 PM   #9
Barc
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I just clean mine with a sponge, a little dish soap, and lots of hot water. Then I just rinse it out again before I use it for the next batch.

 
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Old 11-30-2009, 08:41 PM   #10
arturo7
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Don't clean it off.


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