Evil-Mobo
Well-Known Member
To replace a 600 I would run (2) just my opinion one 315 is more like a 400 watt HID........I'm thinking about taking one of my 600w hps down and sticking one of those in it's place , it would be real ez.
This is the kit I'm going to get to go with it:
http://growershouse.com/prism-lighting-science-315w-cmh-ballast-philips-bulb-combo-120-240v