<HTML>In a message dated 12/11/02 12:38:06 AM Central Standard Time, tune4u@earthlink.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">I've got some new bass hammers in a Baldwin 6000 that sound like marshmallows gently wafting against bedsprings--no power at all.   Where the piano is, I can't put anything on them that will be too stinky or hazardous to breathe. How can I harden these babies without traditional lacquer?   Alan Barnard Salem, MO </BLOCKQUOTE> Lacquer and lacquer thinner, keytops and acetone are the only two I know of. I don't know of any other liquid appropriate for hammer hardening that doesn't have some smell to it. Wim  </HTML>