Cleans 200 sq. feet on porous surfaces and up to 600 sq. feet on non-porous surfaces
Cleans algae, moss, mold, and mildew growth and the spores that cause re-growth within 30 seconds
Can be used on greenhouses, tree trunks, decks, patios, walks, porches, steps, hot tubs, pools, boats, convertible tops, RVs, tents, patio furniture, patio umbrellas, etc.