S
SmOkEtAsTiC
- Posts
- 17
- Joined
- Oct 25, 2008
Was just wondering if co2 is a must in a grow room or could just a good pure oscallating fan with good ventilation do the job! (Also heard it lowers potency) 400 watt mh 600 watt hps room size 56"x56"x79 thanks!:rock