With the power of Oxi Clean stain fighters. Changes color when clean. Sprays on blue. Turns white when clean (when the foam turns white, just brush and flush to reveal a brilliant shine). Sink; tub; shower. Kaboom Foam-Tastic takes the guess work out of cleaning. Spray on the penetrating blue foam, and Oxi Clean stain fighters go to work on contact, breaking up soap scum and hard water stains. Cleans with a fresh scent and not obnoxious fumes! Removes: soap scum, dirt, hard water stains, calcium, lime, grease and grime. Deodorizes: With a fresh, clean scent. Use On: tubs glazed ceramic tile, fiberglass, shower doors and vinyl curtains, sinks countertops and chrome fixtures. Contains no CFCs which deplete the ozone layer. Federal regulations prohibit CFC propellants in aerosols.