<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 5.50.4522.1800" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>I have a commercial customer with a Kohler and Camp. = upr used in a practice room type setting.  Someone spilled some liquid on = the top of the piano and it seeped through the hinge and got several (15+) bass = hammers wet.  They died.  The customer is understandably = reluctant to replace (my recommendation).  Before I do that, I thought I would experiment trying to bring back some tone by hardening.  Has anyone = tried anything under similar circumstances and with what result?  = </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</FONT></DIV></BODY></HTML>