<HTML style="FONT-SIZE: x-small; FONT-FAMILY: MS Sans Serif"><HEAD> <META http-equiv=Content-Type content="text/html; charset=windows-1251"> <META content="MSHTML 6.00.2900.2627" name=GENERATOR></HEAD> <BODY> <P> <DIV>Well I'm not one to tell anyone on this list on what to do on anything, but I will share what I did recently that worked very well for me.</DIV> <DIV>I was working on a piano for a friend of mine and the keys were awfully yellow and dirty and stained.</DIV> <DIV>I tried a few things but what finally did work was:</DIV> <DIV>Wet sanding with 600 grit paper and bleach.  Clean wiped with clear water rinsed sponge, and dried with a clean rag.</DIV> <DIV>I'm not saying this is the best way, or the easiest, but it worked !  And this is before they are buffed with a buffing wheel.</DIV> <DIV>See the attached pics.</DIV> <DIV> </DIV> <DIV>Dave</DIV> <DIV> </DIV> <DIV> </DIV> <DIV>Dave McKibben</DIV> <DIV>Piano Tuning & Repair 858-776-2516</DIV> <DIV><A href="mailto:davespianotuning@earthlink.net">davespianotuning@earthlink.net</A></DIV> <DIV><A href="http://home.earthlink.net/~davespianotuning/">http://home.earthlink.net/~davespianotuning/</A></DIV> <DIV> </DIV> <P></P></BODY></HTML>