would i be able to keep any coral, like softies maybe an lps or so. under 18" of water with 2x24w 24" T5 with individual reflectors......only have one MH right now and can get a cheap 24" t5 retro unit. half the tank will be lit by MH and the other half with 24" t5's with 48" HO T5(actinic) running the length of the tank. individual reflectors on all t5's by the way. alos would 4x24w 24" t5(10k or 6500K) with individual reflectors allow me to keep sps?