ECO-300 Teak Cleaner Liquid is formulated to be 100% environmentally-friendly and represents the most advanced teak cleaning liquid in the marine industry today. It contains no acid, caustic sodas or phosphates and is non-toxic to the user. ECO-300 Teak Cleaner Liquid is designed to not harm your teak, caulking, hardware or paint. This ready-to-use cleaner easily adheres to a scrubbing pad and brightens teak better than harsh chemical cleaners, restoring original golden color and providing a richer look.