Does anyone know what to do with these things? Have an inquiry stating that sink is about 7 years old and heavily stained. How is it treated/cleaned/ground? Thanks in advance.<br clear="all"><br>-- <br>Sincerely:<br><br>Don Semi<br>
<a target="_top" href="http://www.srsdenver.com">www.srsdenver.com</a><br><a target="_top" href="mailto:srsdenver@gmail.com">srsdenver@gmail.com</a><br>303-249-7909<br>