what kind of co2 set up do you have? i run mine at 1500 and they love it. i have 2 600 hps in my flower room with 16 plants but im thinking of going to 12. i hear you can get the same resalts with les plants. i have a co2 tank hooked up to a timer. 15m on 30m off at .5 pounds per squeare foot my...