Bonide MossMax Ready-to-Spray 1 qt

Bonide MOSSMAX Algae, Moss & Lichen Killer is a fast acting formula that works within hours to kill moss, algae and lichens on lawns, trees, roofs, decks, patios, buildings, fences and walkways without staining or damaging desirable plants. It also removes green slime. Active ingredient: Potassium Salts of fatty acids - 22.11%. Other ingredients: 77.89%.