Sea Hawk Wax "N' Grease killer. Every new fiberglass hull is released from its mold by a mold-release wax. In order to obtain proper adhesion of paint, this wax must be removed. Apply the solvent-based Wax N Grease Killer to eliminate wax and contaminants and promote superior adhesion. May be used as a general cleaning agent for any painting tools. - Tips for Use: When apply S-80 Wax N Grease Killer, it is best to use circular wiping motions with a solvent saturate rag or towel. Be sure to follow that application with the same motion using a clean rag to remove the S-80 and any contaminants released.