I personally Dont like the damn things they always seem to eat my pollops. If they are small enough mandrin will eat them putting one of them in my tank solved my problems but watch out they sting and it hurts trust me. :eek:
your best bet for lighting is vho ive done both vho and pc. I went to a local lighting store and picked up a vho ballast at abount half the price as the lfs i like the lighting better form the vho and so do all my corals so go check out this idea. :rolleyes: