I have recently started the build. plan is to have 2 1000w HPS/MH, 6" cool tube hoods, 6" inline fan pulling the tubes, passive 6" inline fan scrubbing, 5000 btu ac set on recirculate, bottled Co2, Humidifier, dehumidifier, 12 ladies.
Where should I exhaust to if I dont have a crawl space, I...