Originally Posted by
mike
If there is any grease or oil or other mystery particulate on the surface to be painted, you will get a halo effect where the paint is repelled from the surface. GOD that is maddening.
This is called "fish eye".
I use the same product on bikes that I use when I paint a vehicle. Its called Gone.
Simply wipe it on and let it dry. A good slathering of this stuff and you will have no fish eye effect.