Sea Hawk Biocop TF, dark blue, gallon, was developed as an alternative to tin-based antifouling paints to protect against the harshest marine environments and provide maximum protection. A new dual biocide technology and revolutionary polymer binder system PL3 produces an engineered biocide that leaves no harmful effects on the environment. Biocop TF is considered the top performer among antifouling paints and is safe in salt or fresh water on boats of all sizes. Maximum protection available - Advanced dual biocide PL3 release technology - Harder self-polishing boosted ablative antifoulant for longer life - Multi-Season performance - Performs in fresh or saltwater - Approved for vessels of all sizes - Lloyd's Registry approved.