Humidity and airflow question

R

Regalis

Member
I'm not really new at this but I have never really been able to grasp the concept of humidity vs air exchange.
I always struggle to keep the humidity up when the air is circulating.
It just doesn't make sense too me if the air in a room is being vented out continuously then the humidity would also vent out wouldn't it ?
or is the humidity being replaced quicker than it's being vented... or... do you alternate ventilation and humidity which would seem rather tedious too me.
Help please :)
 
G

gagekko

Well-Known Member
Regalis said:
I'm not really new at this but I have never really been able to grasp the concept of humidity vs air exchange.
I always struggle to keep the humidity up when the air is circulating.
It just doesn't make sense too me if the air in a room is being vented out continuously then the humidity would also vent out wouldn't it ?
or is the humidity being replaced quicker than it's being vented... or... do you alternate ventilation and humidity which would seem rather tedious too me.
Help please :)
Click to expand...
Y does it have to be vented out continuously?
 
Sir.Ganga

Sir.Ganga

New Member
what do you mean humidity up? What is your R/H and are you talking about veg or flower? Flower rooms should be no higher than 40%, winter months my room drops to 20% with no problems. My veg room sits around that 50-60% range. Control is critical for transpiration and rapid growth.

I have 2 80 litre de-humidifiers in flower and 3 humidifiers running in my house and veg room just to keep good ranges in both rooms.
 
Sencha

Sencha

Active Member
If your % outside the room is higher than inside, yes your humidity will go up in the room with constant airflow. For example. My bloom room is 40% with a dehumidifier, and 85 degrees. If the outside, outdoor, humidity is higher, I can open my basement door and get a humidity spike up to 50-60% in my bloom room.

Ambient temp and humidity are the readings in the large spaces of your house. That's important to know when running a wide open ventilation system.
 
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