I have this potential client and her marble is rusting. The husband is a know it all and assures me there wasn't any rebar used underneath.  Wife says it gradually started to spread. Any ideas to fix or if its a lost cause. 

Justin Cameron
JMC Stone and Tile Care
(951) 972-6997
www.jmcstoneandtilecare com
Serving all of Riverside / San Diego Counties with natural stone and tile care
Marble | Granite | Limestone | Travertine | Porcelain | Ceramic | Saltillo