sulfer vapors

[Joe & Penny Goss]

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Thanks Brian,
Between Patrick's smoke idea and your sulphur post ( I think that both =
are interrelated ) the strings do look like they are contaminated with =
both.
As the strings are not showing any loss of tone as yet they will be left =
alone for the present. As for the damper felt and hammers they will need =
attention soon as the dampers are starting to make a sizzle as they =
return to the string and the hammers really sound bright on the attack.
The strings should be easy to clean without removal with a Scotch Bright =
pad as you mention.=20
Thanks=20
Joe Goss
  ----- Original Message -----=20
  From: Brian Holden=20
  To: pianotech@ptg.org=20
  Sent: Saturday, January 22, 2000 8:54 PM
  Subject: Re: sulfer vapors


  Joe  I can help you with the sulfur (spelt sulphur here) problem.  I =
live in a New Zealand city that is plagued with this problem in certain =
areas.  I have written a comprehensive article that I can send to you as =
an attachment.  Any others on the List are also welcome to have a copy =
if they give me their e-mail address.  Brian Holden bholden@wave.co.nz   =
=20
    -----Original Message-----
    From: Joe & Penny Goss <imatunr@primenet.com>
    To: pianotech@ptg.org <pianotech@ptg.org>
    Date: Sunday, 23 January 2000 14:38
    Subject: sulfer vapors


    Hi,
    This is a new one for me.
    Called to tune a Kimball console about ten years old.
    All bass strings had a blackish green mark where the hammer and =
damper felt contacted the string. Much darker and more build up than I =
have ever seen before.
    In talking to the customer I believe that the strings are being =
corroded by an extreme amount of sulfer in the drinking water ( farm =
well ) used for a small household of six.
    Another problem for the piano is the wood stove six feet away =
already causing bridge pin looseness! ARGG
    Any damp chase would further the corosion problem if outside water =
were not used.
    The corosion is so thick on the dampers that they all need to be =
replaced, and the crud removed from the hammers as well.
    I see no solution to the problem untill a new sulferless source of =
water is found.
    Joe Goss



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