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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.

