Thank you for the response! All I have is some lps and softies in my tank. I am only a beginner in the reef hobbie. So I am just trying to learn and didn’t want to spend a fortune on lights.Welcome to R2R! Bump for noopsyche users.
3 feet in length is a lot to ask for any 'puck' style LED. If you can hang the light 15-18" above the tank, it probably would light the edges, but you may get some light spill on the front and back and some shadows. It also depends on your goals here for corals. 2 fixtures would allow you to grow anything, for sure. That's my opinion.