Whether in the water for a day or all season, protect your Inflatable bottom against attachment of marine growth, dirt, diesel, exhaust soot. RAVE Repelin protects against the attachment of algae, barnacles & zebra mussels and prevents Osmosis Blisters. Perfectly clear, hard, smooth, flexible surface. Easy to apply, two coats last all season. Works in salt and fresh water conditions. Won’t attack fabrics or adhesives or affect the ability to be patched.