Originally Posted by reefrunner69
To get the most out of the bulb...they should be mounted perpendicular, if space allows. You will lose less light out of the front of the tank with a perp parabolic reflector and bulb
Is a parabolic reflector one that has a front on it? My reflectors are open on the front but if mounting perpindicular it better I don't mind doing it because I have a front on my canopy.
Also, if I do mount parallel do I want the open end of the reflector(bulb tip) pointing towards the side of the tank or pointing towards each other in the center?