yes, by all means, you need MH, T5s are for kids silly rabbit
now in all honesty while I like MH, and as was mentions LEDs, I can't say run out and change tomorrow, nor can I say give it more time.
what are you water peramiters? Ca, Alk, Mg, Ph, Temp. how much water flow do you have. befor spending a tone of money for MH I would make sure that you corect any other issues first.
Steve
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