I have looked at paints in a couple of hardware stores and have not found any primers that say "self etching". Many say for metal, but don't mention self etching, and claim "rust" preventatives, so suspect they are just for steel. I can get zinc chromate (green stuff) from a marine store, but
Paint Brand Recommendations Aluminum Boat & Jon/V Boat
Painting a Jon Boat? - Community Discussion Forums
Rattle Can or Brush on Self Etching Primer?
Paint suggestion. Aluminum Boat & Jon/V Boat Discussion Forum
Can I paint my aluminum boat with Rustoleum? - This Old Boat - Lake Ontario United - Lake Ontario's Largest Fishing & Hunting Community - New York and Ontario Canada
Rustoleum & Aluminum Boats? Aluminum Boat & Jon/V Boat
Painting an Aluminum Jon Boat
Rustoleum & Aluminum Boats? Aluminum Boat & Jon/V Boat
Help with painting aluminum boat please
alumacraft fd, paint and i have a question Aluminum Boat & Jon/V Boat Discussion Forum
TotalBoat Aluminum Boat Paint gives aluminum and galvanized metal boats a corrosion-resistant, non-reflective low-sheen finish. While most marine paints won't stick very well, TotalBoat is specifically formulated for aluminum, making it ideal for your jon boat, duck boat, flat bottom boats, bass boats, canoe, dinghy, pontoon boat, trailers, houseboats, and other aluminum boats or boat parts, such as railings and spars.
TotalBoat Aluminum Boat Paint for Canoes, Bass Boats, Dinghies, Duck Boats, Jon Boats and Pontoons (Black, Gallon)
RUSTOLEUM TOPSIDE MARINE PAINT -- FULL VIDEO -- Jon Boat to Bass
Aluminum boat paint Pensacola Fishing Forum
Aluminum Boat Fishing Conversation and Restoration