Originally Posted by
Mickey2
Nice to hear you have it sorted out. You might have something weird going on JoannaD, because the regular primers should stick to cast irion very well. There are special primers for aluminum and stainless steel, and some are made for regular steel and those are usually recommended for cast iron. Primers for metal on boats and anchors should work well. Could there have been some sort of contamination left on the surface?
Yes, I was surprised the rustoleum one wasn't working for me because it should have worked on any metal type. Maybe user error but I don't know what I did! The shellac I had on hand so I was glad to find that it worked.