5x5 passive intake grow tent design question.

[override158]

hey guys, can you look at my diagram and tell me if my math is ok, using a 4inch 175 cfm fan/4 inch ducting, and a 600 watt hid the tent in question is 5x5x6.5
I know i'd be safe with a 6 inch, but i already have a 4 inch,id like to utilize what i got
also, for a passive intake, is 4 inch out 4 inch in good, or should i use a different size for out/in?
I look forward to reading you input. (setup image link below)




thanks,
override

[xxmodderxx]

First of dont ever exaust outside, attach it to a ducting to spread the hit evenly or pump it down below ur house..... save on your heater bills just pm me if u want me to return ^^

U wont need any passive fan cause ur exhuast will do the job,
Dont force air in .....help it very slightly or leave it be ...alway keep a negative pressure in ur tent so the smell dont slip out the tent zippers and holes due to positive pressure.