Engine anti-fouling

[Icom]

Can anyone recommend a good quality anti-fouling spray for outboard engines?  Need to cover the lower unit and mostly the bracket as it sits below the waterline and in just 3 weeks i had quite a lot of barnacles growing on it!  Ideally transparent.

[Destination Sea]

theres veelox . 3 colours available white and two others forgot though.-need primer first. For transparent I think that international has one, not sure if in spray can. or try  at coliero msida - jotun brand.