HG Natural Stone Tile Bathroom Cleaner &ndash; (500 ml) HIGHLY EFFECTIVE. Highly concentrated  ideal product for thorough, yet gentle, cleaning of marble and other natural stone tile PROBLEM SOLVER. Removes stubborn dirt, soap scum, and light lime scale deposits EASY TO USE. A few drops on a sponge is all you need! For floors, 1 to 2 capfuls is perfectly sufficient GREAT VALUE. A few drops are enough for fantastic results.