#1 Rated Vinyl Cleaner by Powerboat Reports & Top Rate General Cleaner by Practical Sailor! A Heavy-Duty Cleaner + Degreaser + Disinfectant that works above and below deck. Marine Spray Nine Heavy-Duty Cleaner + Degreaser + Disinfectant kills germs, removes stains & yellowing and eliminates bacterial odors with little effort. It digs out tough soils like grease, oil, grime and food stains from fiberglass boats, RV’s, sporting & camping equipment, vinyl, rubber, plastic and other hard surfaces with “spray on-wipe off” ease. Use Marine Spray Nine Heavy-Duty Cleaner + Degreaser + Disinfectant regularly to kill germs, destroy bacterial odors and help control mold and mildew on vinyl, carpets and hard surfaces. Also great as a black streak remover.