Eliminate algae, moss, and lichens from your yard and outdoor seasonal recreation vehicles with Bonide Organic Moss Max. This ready-to-use herbicide can be used on lawns and structural surfaces such as roofs, decks, patios, greenhouses, sidewalks, driveways, cedar shakes, redwood, siding, stucco, and fences to eliminate moss, algae, lichens, and liverworts. This concentrated treatment does not stain concrete or other surfaces and can also be used on automobiles, boats, and motor home exteriors. Simply attach your garden hose to this spray bottle and apply as directed. Repeat treatment annually or when new moss or algae becomes visible. Keep your yard free of moss and algae with Bonide Moss Max. Not for sale in California.