Simple Green OxySolve Deck and Fence Cleaner lifts and powers away tough grime oils and grease and removes stains from mold mildew algae moss mud and clay. The pressure washer concentrate is ideal for cleaning decks fences and other outdoor structures such as pergolas gazebos and carports with a fast-acting foam that uses the power of peroxide to clean without bleach. This formula meets the rigorous criteria of the U.S. EPA s Safer Choice Program and can be used around plants lawns pets or wildlife. This product is also Safer Choice Direct Release Certified for release into the environment including contact with oceans lakes rivers streams and land. Brighten and renew surfaces without harmful chemicals.