Dear Dave:
If it is not too far gone (and by your description it does not appear to be), MB-11 should do a great job for you.
May I ask you now to please read and e-sign our Statement of Purpose at:
http://www.marblecleaning.org/purpose.htm?
Ciao and good luck,
Mauri
Article ID: 1349
Created On: Sat, Mar 29, 2008 at 11:47 AM
Last Updated On: Sat, Mar 29, 2008 at 12:00 AM
Authored by: Maurizio Bertoli [mail@mbstone.com]
Online URL: https://marblecleaning.org/knowledgebase/article.php?id=1349