Interlux Fiberglass Bottomkote NT Antifouling Marine Paint Not all antifouling paint is equal in quality. Thats why Wholesale Marine only carries the top industry brands, including Interlux, an industry leader in marine paints. They have been helping boaters restore and protect their boats for over a century. Interlux Fiberglass Bottomkote NT is a universal antifouling paint that provides the benefits from both hard and ablative paints, making it useful on both power and sailboats alike. Formula