metal halide

I’ve been running the Radion XR15 Pro LEDs over my new 40G cube since March. It’s basically a mixed reef right now, but my plan is to go primarily SPS, so I’ve decided to switch to Metal Halide (MH). I thought I’d share the experience with the club. I’ve always seemed to have more success...

So I'm trying to get a decent shot of the brain coral on my new chunk of live rock and my camera is being most uncooperative. Any time I point it at the tank heavy black barring shows up on the display (looks like VHS interference). The tank is a nc28 hqi. So my question is how do I eliminate...