Pianotech

  • 1.  rust on the Roslau string

    Posted 09-17-2020 23:07
      |   view attached
    new piano with Roslau strings. Humidity level carefully controlled at 60% .RH. I have never touched the strings with my finger .  how to clean those rust off, thanks       Clean guides plz)


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    Harry Dane
    New York NY
    764789557
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