12 CFL's was too hot... Go with a couple 4ft t8?

[Dizzy1]

Can you hook up a cool tube to that 400 watt and exhaust it some place?

I just made one for my 150 HPS and added 2 42 CFLs and the temps usually max in the low 80's now. Before the cool tube I couldn't have the CFL's, the cab would overheat.