Originally Posted by
Johno59
You should wire brush all the loose paint / rust off before you apply evaporust. If left too long evaporust will attack the paint. Follow the instructions on the tin. Many suppliers claim a primer isn't needed but I seriously have doubts about that.
I thought I followed the instructions but I guess I didn't.
I will remove the flakes, sand it, then just dip it in Evapo rust again.