Bonstone D/2 Biological Solution – 1 Gal

SKU: BON-35128


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D/2 Biological Solution is a specially formulated biological cleaner that removes environmental pollution, dirt, and staining caused by mold, mildew, lichen, and algae. D/2 Biological Solution is ideal for use on indoor and outdoor surfaces.

D/2 Biological Solution is the only product developed for conservators, by conservators. It has been successfully used to clean millions of buildings and monuments, from the White House to Arlington Cemetery.


  • Cleaning headstones and monuments
  • Cleaning outdoor structures and surfaces
  • Restoration cleaning
  • Can be used on a masonry, stone, concrete, marble, granite, and limestone wood, asphalt shingles, vinyl and aluminum siding, fiberglass, metal and canvas

Product Information:

  • Fast acting
  • Contains no bleach, salt, solvents, or acids
  • pH neutral and Zero VOC formula
  • Will not etch metal or glass
  • Biodegradable and safe for use around plants and wildlife
  • Can be used on a variety of surfaces
  • Easy to use, no mixing required


  • QT
  • GAL
  • 5 GAL Pail
  • Drum

Additional information

Weight 7.35 lbs
Dimensions 3.5 × 7 × 12 in

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