D/2 Biological Solution - 5 Gallon

D2 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, sculpture, gravestones, headstones, vinyl & aluminum siding. 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. 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 not etch metals or glass Safer to use around plantings Is not a hazardous material and requires no special handling or protection Use full strength, no in-field mixing required Shelf life of 5 years Why Choose D/2 Biological Solution? It is safe to use and won't deposit harmful residues! D2 cleaner has been successfull