Biokleen M00509 Black Streak Remover - 1 Gallon., 128 Fl Oz (Pack of 1)

BIO-KLEEN M00509 Allows you to remove those black streaks and stains from boats, trailers and RVs with ease, Just spray it on and wipe it off, it's that simple, A multi-purpose cleaner/degreaser designed to remove soils and marks with a minimum effort on a wide variety of hard surfaces, Leaves surfaces streak-free and sparkling clean, No rinsing needed and residue free, DIRECTIONS: To remove black streaks from RV, trailer or boats spray product onto a dry, clean cloth or towel wipe surface clean. You may also spray product onto a clean, dry wash brush. Start from the bottom and work your way up, in sections, adding more product as needed. Then wash with Super Suds and rinse from the top down., Note: Not recommended for use on old surfaces that have not been maintained; paint removal may occur. Use dedicated brush & bucket for each product used.