If humidity co2 temperature and proper in room air movement osc.
Sealed grow room vs vented.
All sorts of lighting are available for supplementing the sun with an outdoor grow including the usual metal halide high pressure sodium plasma etc.
In this very quick video i show my vent system.
Your air run from another room or outdoors through the lights and vents outside of the grow room outdoors.
The first is efficiency.
Open loop or closed loop also known as a sealed room.
Co2 injections require a sealed grow room for two very important reasons.
I have found no benefit to venting sealed co2 enriched grow rooms.
Air vented or totally sealed.
This way co2 you pump into the room stays in the room and is not vented out.
This is known as ventilation or air exchange.
With full control of my grow room s climate there is no need for venting unless something like catastrophic equipment failure causes it.
The second is safety.
06 jul 2014 22 oct 2014 eljay leave a comment grow room buildout grow modules articles grow room.
There are two different ways to set up a grow room.
Fans and scrubbing are provided adequately i have not vented a sealed.
Co2 only works at very high levels which means you need a sealed grow room or grow tent setup in order to get the concentration high enough to be worthwhile.
Sealed no vents in or out.
Grow room marijuana garden i was recently telling a buddy about the worst possible situation a medical marijuana grower can face.
An open loop system has open ventilation or a fan pushing air into the room and another fan exhausting air out of the room.
None of the air venting the lights ever comes in contact with the room.
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