I am grtting a 300gal tank. It will be a heavily stocked reef with many different types of coral. Dimensions are 96Lx24Wx30H.I was thinking of 3-250watt 5000k mh bulbs, and about 880 watts of vho actinic. For a total of 1630 watts is this enough, and is it a good combo. Also, are the double...