Directions
Just spray or wipe Starbrite MSR Black Stain Remover on boat tops, vinyl cushions, vinyl chairs, vinyl canopies, tile, grout, shower stalls and curtains, mats, awnings, etc. Do not rinse until stains disappear. Stubborn stains may require a second application and light scrubbing. Rinse well after use. Test for colorfastness in an inconspicuous area before proceeding with overall cleaning.