Correctly designed MonoTub would not have to have further fanning. In case the walls in the Monotub are moist, however, you can see dry circle around air vents it means natural FAE operates good for your fruiting chamber. You don't have to have more fanning. Then mycelium goes dormant, proceed https://jaidenochws.full-design.com/considerations-to-know-about-b-cubensis-temperature-79255119