Defy Wood Cleaner, 2.25 lb. is a powdered concentrate that mixes easily with water to create an effective cleaning solution. This environmentally friendly formula safely cleans, brightens, and restores exterior wood surfaces by removing stains caused by mold, mildew, and algae, as well as the silver gray color that naturally develops over time. One container makes up to 5 gallons of cleaner, covering between 600 to 1000 square feet. For results, mix 6 ounces of the cleaner with 1 gallon of water. The product comes in a convenient 2.25-pound tub, making it easy to store and use whe needed. Model Number: 300186