hi guys!i finally decided to convert my fresh water tank to marine but i have one problem my aquarium doesent have enougph space for 4 lamps for the ligthing it only takes 2 i mthinking to put an extera add on to have enouph space but if i do that the lamps (the one next to the other)will take half of the aquarium surface,is this a problem or it's ok?Any other ideas about how to fit the 2 aditional lamps?