Safe and easy to use. Slow release formula designed to Kill lichen, moss and algae over time and works with the weather to erode growth away. Can be used on a variety of outdoor surfaces including wood decks, painted surfaces, concrete walks and driveways, masonry, plastic furniture and more. No pressure washing or rinsing required. Spray and walk away, For residential, commercial, industrial, community and government maintenance. Bleach and phosphate-free formula with a neutral pH. Mix ratio 1:5, makes 6 gal. Cleans up to 750 to 2250 sq-ft/gal, depending on thickness of growth and porosity of the surface to be cleaned.

• It cleans over time mother nature does the work for you
• No pressure washing, rinsing, scrubbing or hosing required, simply wet and forget
• Works on many outdoor surfaces like roofs, sealed concrete, asphalt driveways
• Bleach and phosphate-free, with a neutral pH
• Improves traction on many surfaces, as well as appearance
• Ideal to use in the fall, so it can clean for you, over the winter