Hoover 40307016 FloorMate Grout Cleaning Solution 16 oz If you have special tile in your home, our FloorMate Grout Cleaner will gently clean it with ease. Use this with the Hoover FloorMate machine for best results. Safe for all hard floors cleaning machines, cleans and shines with no dulling residue, cleans and brightens grout, removes household stains and returns grout to original color, and great to use with glazed ceramic, tile, vinyl, marble, and stone floors.