Kaboom Shower, Tub, & Tile Spray is a powerful cleaner designed to tackle your bathrooms toughest stains. Cleaning showers, tile, tubs, grout and sinks: Kaboom Shower, Tub & Tile Cleaner has Oxiclean Stain Fighters that cut through many kinds of buildup on many kinds of surfaces. Micro-Bubbles penetrate and remove stains. Hydrogen Peroxide based for safe & effective cleaning with no bleach, ammonia, or acid.