Moss Out! 100503872 Moss Killer, Liquid, Spray Application, 27 oz Bottle

Kills moss and algae quickly. See results in hours. Non-staining formula can be used on roofs, walks, decks, patios, bricks, concrete or asphalt. Sprays up to 25 ft. Hose end bottle with jet sprayer. Treats up to 500 sq-ft.