GET RID OF STUBBORN MOLD AND MILDEW STAINS: Our instant spray cleaner removes the stains left behind from black mold and mildew. They tend to leave behind ugly staining that can go deep below the surface; Our professional-strength spray is specifically formulated to eliminate discoloration caused by mold and mildewUSING RMR-86: To safely and conveniently eliminate indoor mold and mildew stains and odors using RMR-86, proper ventilation and PPE should be used for each applicationSAFE TO USE ON MULTIPLE SURFACES: Easily remove stubborn stains from decks, wood, vinyl siding, drywall, concrete floors, brick walls, kitchen surfaces, and other areas where mold and mildew tend to growFAST-ACTING SPRAY: Our powerful, fast-acting mold stain remover spray begins working instantly to target deeply embedded stains that linger on surfaces and hard-to-reach areasNO SCRUBBING NEEDED: Simply spray our ready-to-use formula on the affected area and watch the stains disappear right before your eyes!