:-[ Hi my tank is 75 gal and its 7 months old. I have 50p of LR. I also have one 400W MH on one of the sides as well as regular 40W 48" light fixture with actinic blue bulb I want to start the reef but I dont know if I have to much fish for a reef. I have 1 yellow tang 1 haptus blue tang, 1 coral beauty, 1 demsel and 1 cleaner warsse. What do you think? I also have a 20 gal sump with DSB, calurepa and some LR and If how many coras I should start with, the thing is that i will get a good deal if i buy 4 andy comment welcome Thanks!!