Duckback Products DB-1450-4 Gallon Extention Wood Brightener

Removes tannin and rust stains. Restores natural beauty to wood. Cleans stains caused by dirt, mold and mildew. Use on decks, fences, outdoor furniture, siding, log homes and hardwoods. Removes failed, oxidized coatings. Fast acting and easy to use. 100-percent biodegradable. Makes 4 gallons, 100 to 200 sq. ft. gallon coverage area.