That chart is similar to the one I have. I don't use co2, just an in wall ac unit, a 4" inline fan that pipes in outside air, a 70ppd dehumidifier and a couple oscillating fans in a 4.5'x4'x8' room.... with 4 plants in 5gal pots it's packed in there. I bumped my temps up to 75-70 and turned the...