Clean the floor sweep or vacuum the floor thoroughly then wet mop the tile to dampen it.
Cleaning grout residue from slate tile.
Pick up the dirty water with a clean grout sponge.
Remove grout haze with water and cheesecloth.
Use another clean sponge to rinse the scrubbed slate tiles with.
Instructions wait for the grout to cure wait at least 10 days for newly installed grout to cure before using grout haze remover.
How to remove grout haze from a slate floor 1.
Protect your hands with rubber gloves and dip your cheesecloth or terry cloth in water.
Mix the grout haze remover put on nitrile chemical resistant gloves.
Scrub the surface of the slate tile with a generous amount of water and a nylon scrub sponge.
Normally a scotch brite pad water and a little rubbing will remove grout residue and the hazy appearance it causes.