7 FOOT grow box question HELPP

blazinhaze

Member
hi i have a box made that is 7 feet tall, 5 feet wide, and 3 feet 4 inches in depth

I plan on vegging 6 plants

And flowering them wen they are about 2 feet tall with my 400 hps possibly them reaching up to 4-5 feet tall....

I have a 188cfm fan with a carbon filter mounted already for my exhaust..

Would 125CFMs be good enough for my intake fan or what should I do?
 
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