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