Hello all! I want a few opinions for my reef plan. I will be using a 20G long tank. Lighting will consist of 4*20watt bulbs, 2 daylight, 1 50/50, 1 actinic. Filtration/Skimmer will be provided by a Skilter 250, added circulation will be provided by a 150gph powerhead. I plan to use 30lb...