I have a 125gal reef tank mostly softies, live rock and sand. I have T5 lights on it right now, but the fixture is onlt 4' long and my tank is 6' so I want to upgrade but I think the metal halides maybe to hot, I dont even have to run my heaters in the winter now and still keep the temp between 74 and 76 my house is very well insulated and stays warm in the winter, so i'm worried that the tank temp will be hard to keep down with the Halides.
I've thought about keeping the T5 lights on the tank and maybe put the LEDs on each side of it, but then do I have to stay with only softies?