I wanted to start adding corals to my tank but don't want to get too far ahead of myself. I upgraded my lights to 6 96w pc's (4 10,000k and 2 actinic). My tank is 125g 72'' long, 18'' wide, and 22'' deep (approx.). I have a 30g fuge, 10g sump with a protein skimmer. The substrate is aprox...