i have a 6 " cool tube wit a vortex 6 " fan hooked up , its blowing through my light and then out my 5x5 tent , as far as intake i just have a window open and the bottom flap on the tent open , running a 400w mh but its in a digital 600-1000 watt ballast which i hope isnt a big problem 18/6 with the lights and i have a small fan just slightly quivvering the seedlings , lights about 16" away , using pro mix with 20% worm poop , and i got the general organics go box , i already stepped up a pot size u think i should be transplanting again ? im only a week out of the dirt