How to use Boat Brite Black Streak and Exhaust Stain Cleaner:
Spray Boat Brite Black Streak and Exhaust Stain Cleaner onto the surface to be cleaned. Wipe the black streaks away with a soft cloth. Rinse surface with water.
For tough to reach areas, use a sponge mop or wrap a terry cloth towel around the end of a deck brush - spray Black Streak Remover onto your applicator and wipe the black streaks away. Rinse the surface with water.
Note: Black Streak Remover will remove newer diesel exhaust stains. It will not remove old, embedded diesel exhaust stains.