***No On-line Purchase. Only Available in Ship Shop Specs Black Streak Remover Name Value Best Use Fiberglass Capacity 16.9 Ounces Features Biodegradable Product Overview 3M\’s Black Streak Remover works without abrasives and gets rid of the streaks. Black streaks are typically caused by organic debris, like leaves, dirt, wine stains, etc. Normally, once these stains have set, soap and water will not remove them. Some detailers will tell you to compound the affected areas, but we suggest you go easy on your boat\’s finish and use 3M Black Streak Remover, which works chemically to remove these stains. Black Streak Remover is safe for fiberglass, metal and painted surfaces. Key Features Removes mineral stains Works without scrubbing Safe for fiberglass, metal and painted surfaces 16.9fl.oz.