Description : D / 2
D / 2 Biological Solution removes organic growth from most surfaces.

It lasts 5 times longer than bleach, peroxides and powerwashing. D / 2 is safe to use near grass and most landscape plantings. D / 2 Biological Solution is a safe, easy to use liquid that removes a broad spectrum of biological deposits from hard environmental surfaces. A contact time of only 1 to 2 minutes will loosen most fungal and algal deposits with manual scrubbing and is typically sufficient for excellent results. Growth of bacteria, fungi, algae, lichens and mosses contributes significantly to the degradation of many types of construction materials, and can be disfiguring. D / 2 can be utilized to control this problem on outdoor sculptures, monuments, decorative fountains, gravestones, and tombs. Biological growth found on some individual building features (such as parapets and zones of ground contact) or materials (such as stucco) can also be treated with D / 2, although it is not a general purpose architectural cleaner.

Product Highlights
Necessary contact time is usually only 1 to 2 minutes.
Keep surfaces clean for a minimum of 1 year
Safe for landscape plantings and grass
No detrimental effects on masonry
Non-toxic and biodegradable: No special precautions required for handling and storage.

Application Procedures
Apply D / 2 Biological Solution with a brush, roller, or pump sprayer. Scrub surface thoroughly with a non-metallic, short fibered scrub brush. Allow the undiluted D / 2 to remain on the surface for 1 or 2 minutes, then apply additional D / 2 to maintain a wet surface. Lightly mist with water and continue scrubbing. Rinse thoroughly with clean water. Rinse with a hose or a pump sprayer. Heavy biological deposits can be loosened using a low pressure washer (600 to 1000 psi), and may require repeated applications of D / 2. Alternatively, heavy growth can be removed by manually scraping using wooden or plastic tools immediately