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It is probably an aniline stain and I therefore
recommend a dilute Chlorox soultion, followed by a
"rinse" wipe with water on a rag, anda quick dry off.
Then sand LIGHTLY when dry ( just to knock off "hairs"
) stain, seal, fill, seal again and finish.
Chlorine bleach lightens aniline stain.
Oxalic acid is for rust stains, water rings, etc,
Hydrogen peroxide is for lightening the wood itself.
Those are the general guidelines, of course. All
three bleach types effect the other purposes,
somewhat, too.
Thump
--- Farrell <mfarrel2@tampabay.rr.com> wrote:
> I stripped the finish off the inside of the case
> (rim) of a piano I am working on. I used a
> methylene-chloride-free product called Dyna-Strip 2,
> sold by Pianolac. One application of stripper left
> on overnight removed the finish completely - it
> literally fell off - no scraping required at all.
> I'm very happy with that aspect of the results.
>
> In some areas, hunks of the stripper slid down the
> face of the rim - it still removed the finish - but
> in those areas, less stain was removed. So now I
> have shadows of light and dark where there was an
> apparent difference in stain removal.
>
> What is the best way to address these stain shadows?
>
> Terry Farrell
>
>
>
>
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