Hello-thanks for looking. Rundown: 5x5x8 closet grow, 4 chemdawg from clone, 600w hps(flower), 4x6bulb t5, transplanted to 4g buckets, roots organic soil/nutes(whole line), intake/exhaust, 2 circ fans one above one below, temps as low as 60 lights off and as high as 74 lights on, hum-30-40...