Dont do it yet bro honestly I'd finish with what I got. I have a 150w hps in the front in a box. You will see an increase in your bill and it's hard to control the temp on 1 yet along 2 with the leds hell I got 650w of leds renting in that shit in a 3x3 with 1 6in intake fan 2 4 in out takes a...