light hight

Hello! I have a 4 ft, Innovative Marine EXT 100 tank, and lighting consists of 2 AI 32 HDs on the rail. They are 11 inches off the surface of the water. My goal is LPS/Softies only, and then I have a few BTA's. Over the last couple of weeks, I have had a few LPS losses. I'm wondering if my...

I have a 48x24” tank and it’s currently lit with my diy led fixtures. These are good and I can grow coral with them. I’ve got a mixed reef but around once a year or so I have to replace a lot of the royal blues as they burn out. So I’mgoing to bite the built and get some Radion G5s (when I can...