D/2 Biological Solution Reusable Spray Bottle, 32 Fluid Ounce

D/2 Biological Solution is a biodegradable, easy-to-use liquid that removes stains from mold, algae, mildew, lichens, and air pollutants. It is effective on marble, granite, limestone, brownstone, travertine, masonry, terra cotta, concrete, stucco, wood, and other architectural surfaces including monuments, sculptures, and headstones. A contact time of only 10 to 15 minutes followed by scrubbing with a soft nylon or natural bristle brush will loosen most biological and air pollutant staining. D/2 Biological Solution is effective for removing harmful biological and air pollutant staining from many building materials including masonry, marble, granite, limestone, brownstone, travertine, terra cotta, concrete, stucco, wood, canvas and vinyl, and aluminum siding. Features and Benefits, Fast acting - 10 to 15 minutes contact time for great results Biodegradable Contains no acids, salts, or bleach pH 9.5 Will does not etch metals or glass Safer to use around plantings. Why Choose D/2? It won't deposit harmful residues D2 cleaner can be used on a variety of surfaces. D2 has been successfully used to remove staining from a variety of surfaces including natural stones such as marble, granite, limestone, sandstone, and slate; masonry surfaces such as brick and cast stone; concrete; wood; aluminum and vinyl siding; and canvas. It works! D2 has been successfully used to clean millions of buildings and monuments. From the White House to Arlington Cemetery, D/2 is trusted to work and keep on working when results matter.