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As someone suggested using hard vs. ablative...the hard will have copper usually so an ablative needs to be used. As a lot of ablatives will be marketed as outdrive paint, bottom paint, aluminum bottoms, props....

It's like a battery reaction between the metals. That's why copper based paint isn't used on aluminum boats.

Just make sure you don't put any of your copper anti foul on the prop....copper will eat pinholes in that. Use a copper free antifoul like Smart Solution Outdrive Paint. Another factor to keep in mind...if you have a color bottom paint (like blue) then paint the prop with copper free blue it...