Fans are an incredibly important parts of growing cannabis indoors, as they help to distribute all of the fresh air coming in through your air filtration system, while stopping any pockets of stagnant air from forming.
Regarding this, do I need a intake fan for my grow room?
Larger grow tents can benefit from using passive air intake as well but will require higher CFM exhaust fans. Air intake is only a part of the indoor growing equation. Many factors like grow tent size, grow lights, and inline fans contribute to creating the optimal growing environment.
Then, should I leave my fan on when lights are off?
As always, both exhaust and oscillating fans should be running during the light hours. … In case you’ve 2-3 oscillating fans, 1 intake fan and 1 exhaust fan, keep the oscillating fans on for the entire dark period. And turn the other fans off after 1 hour after the light goes off.
Should I open the flaps on my grow tent?
There are some tents which come with built-in ventilation flaps at the bottom of them. Opening up one of them can assist your intake fan to draw more fresh air and overcome the excess negative air pressure grow tent can’t tolerate. … Otherwise, it’s okay to go with it if the tent is in a dark room.
Can I leave my fan on 24 7?
Can I run a fan 24 7 and overnight? Yes, for nearly all household electric fans you can run them 24 hours a day, 7 days a week. … If you’re away from home, leaving the fan running won’t help you stay cool unless it’s ventilating hot air to the outside.
Why do grow tents need fans?
The Importance of Using a Fan in your Grow Tent
Proper air circulation allows your crops to grow free from mold and other pests and the gentle breeze created by the fan mimics the breeze from out of doors and that is exactly what you are attempting to create, bringing the outdoor environment indoors.
Should you put a fan on seedlings?
A fan helps ensure good air circulation around seedlings. … The goal is to create a gentle breeze; don’t point the fan directly at your seedlings. Keep the fan running 24 hours a day. In addtion to helping prevent disease, the constant air movement will help develop stronger, sturdier seedlings.
Does a sealed grow room need fresh air?
The concept of a sealed room is quite basic; a sealed room is a growing environment where there are no holes or air exchanges to the outdoors or any other room. It doesn’t need to be airtight, however, the closer to airtight the better.
