sHAWKocon is a fast drying, general purpose below the waterline anti-corrosive primer. It's an easy to use multi-functional primer: Conversion/Sealer coating over Sea Hawk Biocop TBT 1200 Series antifouling or any unknown well-adhered antifoulant paint to prevent cracking and promote adhesion of a new antifouling paintBarrier/Sealer coating over incompatible or unknown antifoulants to prevent leaching and nn excellent barrier coat to reduce pitting of underwater metals from galvanic corrosion on running gear, lower units of outboards, keels, and I/O's.