I am very new to the SW world and i have started a 55 gal tank. I got a skilter 400 filter w/ protein skimmer, a 550 powerhead, 2 22 in "power-glo" lights. I have around 5o lbs of LR and a nice bed of live sand that is about 3 inches deep. At this point i have 1 true percula clown, orange...