Salt-Away Concentrate 946ml Salt Remover & Corrosion Protection for Marine, Boats, PWCs & Fishing Gear. 1 x Salt-Away Concentrate 946ml Bottle. Size: 946ml (32 fl oz). Trusted by boat owners, anglers, divers, and marine professionals worldwide, Salt-Away is a non-toxic, biodegradable, and non-hazardous formula designed to dissolve and remove salt deposits that can lead to corrosion, blocked cooling passages, and costly repairs.