Lighting

hi all, glad to see were back in business, thank you marc and team. i have couple of questions regarding mh light. i'm slowly in the process of setting up a new tank, it's an all glass 180 gallon with built in overflows. while at my lfs we were talking about some of the things i have yet to buy. my lighting was brought up that i should go to 250 watt mh lights, as i had planned to use my coralife hood with 3-150 watt mh lights. i want to start collecting corals in the future, right now all i have ...