Tile Cleaner - QTC - 5LQTCs mild acid formulation easily deals with ingrained dirt and scale in traditionally tough to clean tiled areas that can become unsightly over time. Attract, impress and retain members year on year by maintaining a high standard of cleanliness in reoccurring problem areas. The ideal product for deep cleaning tiled floors in hard water areas Removes limescale build up from all surfaces Does not affect pool water pH or TDS readings Dilute up to 1 part