Eliminate Moss, Algae & More
Quickly And Effectively - Free Shipping

Moss erodes the surface of shingles and absorbs moisture to shorten roof life. Use Moss Killer on all types of roofs, decks, patios, brick walls and concrete areas. Non-staining, non-corrosive to all types of sprayers. Potassium soap based formula. Kills algae, mosses, lichens, liverworts and grime. Treats up to 500 square feet.