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