Size: 5 Gallons (Includes Drum Faucet - 3/4" Opening)

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.

D/2 has been used on The White House, The Veterans Administration, The Congressional Cemetery, & more!

Product Details

  • Effective on marble, granite, limestone, brownstone, travertine, masonry, terra cotta, concrete stucco, wood, vinyl, nylon and more!
  • Coverage is 300 sq. ft. per gallon
  • Biodegradable
  • Ready to use
Directions
Always make sure that the stone / surface you are working on is stable. D/2 is recommended to use undiluted.

  • Simply spray and walk away! D/2 will continue to work over time to clean the stone.
OR
  • Brush and scrub method:  Apply D/2 to the entire stone. Wait 10-15 minutes and scrub with a soft nylon or natural bristle brush. Mist with water while scrubbing. When scrubbing is complete, rinse thoroughly with clean water.