She's probably not damaging the ceramic tiles, but vinegar is acidic and nothing acidic should ever become in contact with any natural stone. Consider yourself lucky if she did not damage the polished finish of your medallion by permanently etching it. If you ask me, vinegar should be used exclusively in the salad bowl and for any other cooking purposes it was designed for!... :-)
Tell her to stop using that concoction effective immediately.
After that, learn how to care for your stone!
By logging into the Helpful Hints section of our website at:
http://www.marblecleaning.org/helpful-hints.htm
, you will be able to get the short version of our maintenance guidelines at no charge. The full version of it – a 7-page document considered by many as an industry benchmark – is available in pay-per-download format in our Educational Literature section at:
http://www.marblecleaning.org/literature.htm
.
And remember, every single penny of the cost of the literature will be used to support this site and its cause: your cause.
While you are in the “Helpful Hints” section, do spend some time reading all of the interesting FREE articles you'll find in there!
Finally, keep in mind that we need your support to help us helping you!
Will you please read and e-sign our Statement of Purpose at:
http://www.marblecleaning.org/purpose.htm?
By spreading the word about this valuable site among your friend & family and the stone trades' people you've been dealing with, you will be rendering everybody a valuable service!
Thank you
Ciao and good luck,
Mauri
Article ID: 148
Created On: Sat, Jun 30, 2007 at 4:20 PM
Last Updated On: Sat, Jun 30, 2007 at 12:00 AM
Authored by: Maurizio Bertoli [mail@mbstone.com]
Online URL: https://marblecleaning.org/knowledgebase/article.php?id=148