Bio-Dex #300 Tile CleanerNew Fast Clean!Removes calcium deposits, dissolves oil, grease and most soils in minutes! Use Directly on Heavy Calcium DepositsRemoves Calcium – Fast!Bio-Dex QUICK N THICK is best for maintenance cleaning and Bio-Dex PROTECT-ALL SUPREME is best for preventing calcium build-up in the first place.Note: #300 Tile Cleaner is not formulated for use on new or …