Mold on bridge.

[William R. Monroe - A440 Piano Serv]

Rich,

I don't remember why exactly, but recall having queried about using bleach
anywhere near a piano.  The answer was a resounding no!  Something about the
fumes from the bleach and the fact that they continue to be given off for a
very long time after application.  These fumes (I guess) can be quite
detrimental to the instrument.  Perhaps someone with a knowledge of this
chemistry can clarify a bit more, but I would get more input before using
bleach on a piano.

William R. Monroe
Assoc.
Madison, WI




----- Original Message -----
From: "Richard Oliver Snelson" <rsnelson@bwsys.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Saturday, August 30, 2003 2:10 PM
Subject: Re: Mold on bridge.


> Thanks Alan, I'll try that on areas away from the strings. I think it
> would start the strings rusting, if not completely removed after use.
> Anyone tried this?   I wonder if some of the other cleaning solutions
> like acetone or naphtha would kill the mold?
>
> Alan wrote:
> >
> > I don't know about harming the strings, but common household bleach is
> > deadly to mold and removes the discoloration, too.
> >
> > Alan R. Barnard
> > Salem, MO
> >
> > -----Original Message-----
> > From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
> > Behalf Of Richard Oliver Snelson
> > Sent: Saturday, August 30, 2003 11:59 AM
> > To: Pianotech
> > Subject: Mold on bridge.
> >
> > I have an old grand showing a bit of mold on both bridges. Piano is
> > strung and string are not showing rust. Yet! I did a test with denatured
> > alcohol on a small section, which removed the visible, and the mold
> > hasn't come back. Any other suggestions for something that will kill the
> > mold and not harm the strings? Rich Snelson
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