Paula,
You have 288 watts of PC lighting with just the 96w bulbs. I run 2 on my 38 gal. 1 03 actinic with 1 10,000k. Imo you don't need the home depot light. Maybe want to relace it wit a MH light for sps corals later on. As for the PC lighting you may want to run 1 10,000k with 1 50/50 and and...