ok i have a 96 inch long tank by 20 inches deep and 24 inchs wide..how many t5 bulbs would i need..i will some day want to keey a reef with hard corals and soft dont want to be limited..and i dont want mh system..i want a t5 system..so how many bulbs would i need maybe 2 48 inches 6 bulbs t5 system that would be 12 bulbs or maybe 2 48 inches 8 bubs system that would be 16 bulbs??or more u guys tell me please thank you..