Hey
I'm having a problem with smells/heat.
I have 2x 6inch extractor fans, one in and one out, and an oscillating fan.
(Out connected to a carbon filter)
This isn't enough..
My grow room is 7ft long, 4ft wide, 7ft high.
(2x 600w HPS)
What size fan would you recommend out of these?
(I only...