This little pads is fantastic for cleaning ceramic tiles, sinks, porcelain toilets, swimming pools, etc., without any chemicals. It almost magically removes:
Rust, calcium and lime buildupGrey, green and brown water residueAlgae and chemical stains on pool tilesStanding water stains in seasonal homesHard and well water residueGentle and easy to use, simply moisten the pad and rub gently. It's the pumice and "elbow grease" alternative. Septic tank safe.