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How to remove minerals from an old teapot?

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How to remove minerals from an old teapot? Aaron Fude 04-26-2008
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Posted by Aaron Fude on April 26, 2008, 1:57 am
Hi,

This is the inside of a very large old brass Russian samovar (http://
en.wikipedia.org/wiki/Samovar);

http://freeboundaries.com/inside.jpg

What you see is a very thick layer of minerals, possibly 100 years
old. How does one go about removing it?


(Also, I made the mistake of filling it with water is my bathtub and
letting it overrun. Now the outside is covered with mineral-ly streaks
that seem to be completely embedded in the brass. Any way of getting
those out?)

Thanks!

Aaron

Posted by dpb on April 26, 2008, 8:46 am
Aaron Fude wrote:
...

> This is the inside of a very large old brass Russian samovar ...
>
> What you see is a very thick layer of minerals, possibly 100 years
> old. How does one go about removing it?
...

Start by soaking in hot vinegar...also could try the CLR lime removal
product which might be a little faster. After that, need more
aggressive acids, but w/o knowing the underlying metal better, caution
is the better course.

Time and these will _eventually_ dissolve the mineral solids...

--

Posted by New & Improved - N/F John on April 26, 2008, 8:55 am
Yeah, vinegar is the trick to getting rid of calcium. Who knows the
condition of the metal below? It's probably erroded.

> Aaron Fude wrote:
> ...
>
> > This is the inside of a very large old brass Russian samovar ...
> >
> > What you see is a very thick layer of minerals, possibly 100 years
> > old. How does one go about removing it?
> ...
>
> Start by soaking in hot vinegar...also could try the CLR lime removal
> product which might be a little faster. After that, need more
> aggressive acids, but w/o knowing the underlying metal better, caution
> is the better course.
>
> Time and these will _eventually_ dissolve the mineral solids...
>
> --



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