I think simply raising them with the moral compass of "seeing a woman's nakedness who is not your wife is sin" and will suffice.

Besides that if you can stave it off long enough the addiction is less pronounced IMO.

Especially being a porn consumer for years myself I can't attest that it definitely has had lasting effects on my mind even after being completely clean for well over a decade.

Stuff is absolute poison. Don't feel bad about imposing food values on someone else's kid if they come over. You may be the one voice of reason that reaches them.