Are you running an MP40 or thr Jebao DMP40?My current reef is 48x18x18 and this new tank in the thread is 48x20x20. Virtually the same. I use the photon 48 on my current tank. I don’t have to go over 45% on any channel…check my tank thread link, go to the last page for most current pics (I keep it up to date) and work backwards a few pages. You’ll see we what this light can do…
This light can grow acros on the sand if you wanted. Easily.