I have good ventilation. I have a 4" vortex at the top pulling air out and have ducxting pulling in fresh air commin from outside now. The vortex is 172 cfm and the growroom is 145 cfm. There are fans moving air clipped to the poles.
dusto2k3 Reviewed by dusto2k3 on . Purple Erkle / AK47 GrOw I have 6 purp erkle and 3 ak47. Just started flowering yesterday. 4'x4' hydro hut 1000w HPS I'm using canna nutes I had been vegging for 6 weeks since i got the clones since july 13 and 14. No problems so far. Rating: 5