no dude we are getting a mh or hps grow light system that comes with a ballast and light ficture http://www.bghydro.com/BGH/customkit...c=HLMH04SM&eq= ..we just wanna know whether its better to get a 400w mh grow light system and get a 360w hps conversion bulb or a 400w hps grow light system and a 400w mh conversion bulb????