Dear Barbara:
It all depends on what kind of soil you have to remove and how often it has been cleaned.
Usually a product like MB-9 works great, but I want you to understand that this answer is given as a general indication for lack of more detailed information.
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: 194
Created On: Thu, Jul 12, 2007 at 7:24 AM
Last Updated On: Thu, Jul 12, 2007 at 12:00 AM
Authored by: Maurizio Bertoli [mail@mbstone.com]
Online URL: https://marblecleaning.org/knowledgebase/article.php?id=194