Tired of tough scrubbing? Try Kaboom Foam-Tastic, the only foaming cleaner that changes color to let you know the surface is clean. 100% TOUGH! As it sprays on blue, the OxiClean stain-fighting bubbles get to work powering through soap scum, hard water, and calcium and lime stains. When it turns white you just wipe away to reveal a deep clean and a sparkling shine with absolutely no dull residue left behind. See the clean! Kaboom Foam-Tastic will not stain surfaces and it leaves behind a fresh scent. No hard scrubbing. Kaboom!. and the stain is Gone.