Zep ZUMILDEW128 Stain Remover, 1 gal, Liquid, Slight Chlorine, Clear

The industrial strength formula of mold stain and mildew stain remover quickly dissolves mold and mildew stains on toilet bowls, sinks, ceramic tile, grout and other unpainted surfaces. The bleach-based product is intended for use on fiberglass, tile and porcelain surfaces and can be used both inside and outside. Its unique, ready-to-use formula removes stains without the need to scrub.