I have a couple 105 w cfls (first lights lol) and I figured the larger the light better right? But I really feel if you gotta go cfls it's better to go with multiple smaller. There was a dude on here called Vega who did some really amazing shit with those cfls, but that light is just not efficient and there r reasons most people dont grow more than a plant or two with cfls.. I mean you would be drawing 450 at the plug and if you went LED or HPS you would be able to light a tent with 450..