Extreme Marine – APC / Interior Multi-Surface Cleaner. Todays watercraft have a myriad of unique surfaces with many types of stains, but Extreme Marine Multi-Surface Cleaner makes quick work out of them thanks to its safe-yet-effective spray, scrub and wipe formula. Perfect for making seating surfaces like new, removing streaks from fiberglass, or even stains from carpet.. Features Quickly removes dirt, grime, black streaks and grease from many marine surfaces; Super effective on vinyl seating, canvas, outboard motors, non-skid, fiberglass and gel coat; Can be applied by spraying onto a towel and wiping, or spraying and scrubbing with a brush, followed by rinsing away; Specifications Weight: 2 lbs; .