Tilex Instant Mildew Remover Use this mold and mildew remover to help bring back that sparkle to your bathrooms. Formula is great for effectively cleaning tiles, grout, toilets and fiberglass. But the ready-to-use formula doesn't only have to be used indoors, it can also be used on outdoor surfaces. Formula is an EPA registered disinfectant and sanitizer for nonfood contact surfaces adept at killing staph, strep and athlete's foot fungus. Comes in a convenient spray bottle for quick and efficient cleaning. Includes 12 bottles.