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Here’s my setup so far, my question is how do I get fresh air back in to the tent, do I need more ducting outside acting as an intake?
Here’s my setup so far, my question is how do I get fresh air back in to the tent, do I need more ducting outside acting as an intake?
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Do you have any of the bottom intake vents open? As air is being exhausted from the grow tent, it will be pulling air in through the intake vents. This is called passive intake.
Your filter is inside and your fan is out? Or are you using a filter? How is the pressure on the tent when that fan is turned on? If it's high enough you may not need anything as the out fan should be powerful enough to circulate along with an oscillating fan inside.
If this is a room where it's affected by exterior light, I would recommend getting a piece of ducting for the intake so you can bend and block any light.