Miracle Brands Outdoor Cleaner Concentrate is bleach free and 99 99 biodegradable Wipes out stains from algae mold mildew dirt mud clay tree sap grease grime ash and more Lifts dirt cleans stains and brightens surfaces For outdoor use on wood composite decks siding patios driveways roofs fencing pathways garden decor and more Specifications . Container Size 1 3 gal