Lime-A-Way - RAC87000 Optimize cleaning time by destroying lime, calcium and rust in 60 seconds when used as directed with Lime-A-Way Cleaner. Powerful formula removes even the toughest limescale stains when applied directly. Give cleaning crews an effective tool to fight hard water buildup so surfaces stay cleaner longer. Liquid cleaner works on tile, glass and glazed ceramic surfaces, allowing you to remove hard water stains throughout the bathroom.