STONETECH® Mold & Mildew Stain Remover is a ready to-use, powerful specialty cleaner specifically formulated to remove mould, mildew and even algae on natural stone, tile, masonry and grout. It quickly dissolves unsightly mould and mildew stains without degrading or harming the surface. STONETECH Mold & Mildew Stain Remover features a foaming action sprayer that allows the cleaner to adhere well to vertical applications and avoid messy drips. Great for kitchen countertops, bathroom vanities, showers, patios and more.