FaNt0m
Active Member
I've heard from a grow video that humidity less than 40% will attract insects!!!! Watch out for pests. Other than that, don't panic about the humidity during the winter months, I'm in the same position. My average humidity is 20%. I find the humidity drops when the exhaust fan is on. To increase humidity make sure there is more air going into the grow room, than exiting.
Another note: If the humidity reaches 100%, the plants will stop growing
Another note: If the humidity reaches 100%, the plants will stop growing