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