Tilex Disinfects Instant Mildew Remover cleans mildew stains without scrubbing and whitens tiles as you spray. It removes and destroys mold spores. It cleans tiles, grout, toilets and fiberglass. Using the power of bleach, it disinfects and kills 99.9 percent germs. From Clorox Commercial Solutions, the large-size refill bottle is perfect for offices, daycare centers, schools, restaurants and other commercial facilities.