One step product that two-steps teak. Clean and brighten teak and other hardwoods in one step. This fast acting powder mixes easily with water to produce a mild cleaning agent that will remove dirt and debris and restore the natural Amber color of teak. Safe for use on and near fiberglass surfaces this solution is also effectively removes stains from fiberglass (gelcoat) surfaces. Great as a preparation step for varnishing or oiling teak and other hardwoods. Tackle two stages of teak prep at the same time with West Marine One Step Teak Cleaner and Brightener. Key Features Combines cleaning and brightening steps into a single process Safe for use on fiberglass Powder mixes easily with water Removes stains from fiberglass Biodegradable 32 oz.