The bottom paint is some old stuff a friend gave me for free.
Yes, Hampton gets a lot of fouling.
At our marina, everyone I talk to has just painted the same paint on the running gear as the bottom.
And never have I heard doing that caused them trouble.
I just do what they did.
If you coat the metal with waterproofing, it will prevent it from corroding, if it stays dry.
I got no reason to doubt that.
Last summer we dove on the boat, the props had few barnacles, the hull a few.
But I have noticed now there are more now on the hull where I can see .
I can pop them off sitting on the swim platform pretty easy.
This boat is mostly for short day trips into the bay, like a picnic boat, not cruising.