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I sprayed a couple coats of primer on the cone, and only on half the aluminum bar to see if primer is really needed for bare metal spots. Wet sanded with 400 and it came out pretty smooth. I guesstimate my mineral spirits to paint mix was about 25-30%. I rollered it on with a high density foam roller and it looked awfully splotchy and bad coverage. Maybe I thinned it too much? It was pretty watery. I went over it with a 3" wide foam brush and it made it look much better. Should I have done that with the 3" brush?



It doesn't look like you worked it long enough. I keep rolling it just before it gets tacky and most of the bubbles are out. Very light rolling will get most of the bubbles out. Almost no pressure, with only the weight of the roller pushing down. If you are getting runs, keep rolling until the paint won't run anymore. It does look pretty thin too.

It is almost an art.