I wouldn't use anything that isn't specified for marble as you can easily ruin the floor. Our tile and stone expert recommends Custom Products line for stone floors. The best thing to do is to use a manufacturer recommended product as they usually know best how to care for the floor. Also, check out the stone care guide here
www.findanyfloor.com/stone/StoneFl...Let me know if I can be of any more help.
Stacey