REMOVE STUBBORN MOLD STAINS- Bad Axe MMR instant spray cleaner removes the stains left behind from black mold. Mold Stains deep below porous surfaces can be hard to remove and Bad Axe MMR is designed penetrate most all porous surfaces SAFE TO USE AND EFFECTIVE ON MULTIPLE SURFACES- Instantly clean stains on wood, decks, drywall, concrete brick, kitchen, and bath WORKS INSTANTLY - Commercial-grade mold stain remover formulated to immediately remove black mold stains on wood, concrete, cinder block, hardiboard, vinyl siding, composite decking and other porous and semi-porous surfaces COMMERCIAL STRENGTH FORMULA THAT WORKS IN SECONDS! The go-to choice of Restoraton Professionals for water damage and restoration clean up for over 20 years MMR simplifies tough mold and mildew stain removal This Item is (1) 1 gallon bottle and (1) 32oz Spray Bottle The Original and Favorite for Restoration Professionals MMR mold stain remover is a commercial-grade mold and mildew stain remover formulated to immediately remove mold and mildew stains present on wood, concrete, cinder block, hardiboard, vinyl siding, composite decking and other porous and semi-porous surfaces. It is a fast and easy application that eradicates mold stains on contact. MMR mold stain remover penetrates soiled areas almost instantly, leaving surfaces clean and free from mold stains. MMR mold stain remover works without sanding and scrubbing.