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D/2 Biological Solution - 1 Gallon + 1 Quart Sprayer


Size: 1 Gallon + 1 Quart Spray Bottle
(The quart sprayer is also 1 quart of D/2)

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, sculpture 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 & aluminum siding.

Check out all the of the users of D/2!: Including The White House, The Veterans Administration, and the Congressional Cemetery. 

Safety Data Sheet     SPECS


Ask a Question
  • how many grave stones do think 1 gallon will clean. Thanks Pam

    Typical coverage is 250-350 square feet for 1 gallon of D/2. This depends on the size of the grave stones and porosity. 
    It's estimated that 30-40 marble upright veteran tablets can be cleaned with 1 gallon of D/2.