TileProf says: |
Hi, sorry for the late reply, best to try Tile Doctor Pro-clean for cleaning them http://www.tiledoctor.co.uk/TileGroutCleaner.html
If this doesnt work get a Tile Doctor out, fill in this form if you require one.
Regards Russell at Tile Doctor
http://www.tiledoctor.co.uk/HomeService.asp
Russell Taylor
Tile Doctor Ltd |