On Tue, 17 Jul 2012 13:26:13 +1000 in rec.food.cooking, "Farm1"
> wrote,
>"David Harmon" > wrote in message
>>
>> If someone wants polished copper pots hanging in the kitchen, they
>> should polish them, coat them with lacquer, and then never cook anything
>> in them. I hope nobody here is that person.
>
>I really can't see why everyone thinks that cleaning copper is such a
>problem.

I can't see why leaving some oxide on it is a problem.