Can I use a copper oxide based antifouling on my steel hull?

Yes, for your steel hull, if you are not over coating an existing antifouling, you will need to apply the necessary Interlux primer. For a one part system, we recommend that you use Primocon. For a two-part system, use Interprotect system. For details of the number of coats you will need, the estimated project time and other details, you should refer to the quick reference Handy Specifications tables in the Boat Painting Guide.