We've painted our large LR ceiling with BM Regal Flat White over Behr ceiling paint that I think had been sprayed on about 3 years ago. The ceiling looks blotchy, even wavy because of roller stripple. This is our first coat. We were going to paint the second coat in a different direction. However, I am afraid that it will not remedy our problem. We are not professional or even experienced painters, and as I understand, ceilings are tricky to paint. What can we do at this juncture? I thought about switching paint brands since BM white is not as white as I hoped for. Will that help? And what should we switch to? We are using White Dove 3/8" roller covers. Plus, how does one keep a wet edge on a large ceiling? We find it impossible with our level of skill.