Sounds like it is spalling.
Wet floors can be troubling.
Epoxy..do not use polyesterOn Sun, Oct 16, 2011 at 9:40 PM, Info Info <firstname.lastname@example.org> wrote:
Partners,What type of filler would you recommend to use in the shower floor?Floor - green marble, honed finish, holes are the size of penny, 1/8" deep, which looked like chemical etch or something was dropped, now full of soap scum. There may be a lots of moisture under the tiles since I found few holes where the grout was missing. Besides severe etching marble is in good condition.Adam BartosBiO Tile
Frederick M. Hueston PhD
Recommended stone care products http://www.stonecarecentral.comMany of my articles can be found at www.stoneandtilepros.comListen to my radio show www.blogtalkradio.com/drfredoffice 321 514 6845See my specialty products at www.godrfred.com