ECO-100 Teak Cleaner Powderis a NEW high performance, concentrated teak cleaner. Even though ECO-100 Teak Cleaner Powder contains no acid, caustic sodas and phosphates, it is a very powerful and effective cleaner that cleans and brightens without removing the soft fibers of your teak. It mixes easily in water and is designed to not harm your teak, caulking, hardware or paint. This product has been formulated to be100% environmentally-friendlyand represents the most advanced truly green teak cleaner powder in the marine industry today.