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Posted by CJT on May 27, 2006, 6:22 pm
Norminn wrote:
> dadiOH wrote:
>
>> seannakasone@yahoo.com wrote:
>>
>>> i frequently squeeze lemon down drains. and sometimes i might leave
>>> the lemon hanging around the sink for awhile, is the acid bad for the
>>> porcelain? it seems like the acid might be eroding the porcelain
>>> around the drain hole and thus exposing metal to rust. it could be my
>>> imagination though.
>>
>>
>>
>> 1. Not much acid in a lemon and what's there is very weak.
>>
>> 2. This is an iron sink with porcelain? The porcelain is glass fused
>> to the
>> iron. The only acid that eats glass AFAIK is hydrofluoric and there
>> is none
>> of that in a lemon. Or in vinegar or anything else you'll have around
>> the
>> house either.
>>
>>
> Acid from tomatoes will leach lead from lead crystal and glazed
> earthenware. Acid rain etches windows. I wouldn't leave any acid in
> contact with glazed sink for long period of time.
Can you cite a reference for your acid rain assertion? People have
stored nitric and sulfuric acid in glass bottles for decades without,
to my knowledge, any problems.
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