U ubergrow Active Member Nov 11, 2008 #1 i just added an exhaust fan to my veg box 4'x4'x24" 250cfm i am using passive intake and am running 12 4' 54w t5s my temps are down to 90 from 115 need to do something fast seeds germing now should i drill some holes for more passive intake
i just added an exhaust fan to my veg box 4'x4'x24" 250cfm i am using passive intake and am running 12 4' 54w t5s my temps are down to 90 from 115 need to do something fast seeds germing now should i drill some holes for more passive intake
supdro Well-Known Member Nov 12, 2008 #2 Get some more air flow going thru that tent bro. How many intake vents do you have??
