Co2 is heavier than air so oscillating fans will assist in distributing the co2 evenly throughout the grow area.
Sealed grow room.
Your grow room needs to be sealed off as much as possible in order for you to control the air and light that reaches your plants.
No air is extracted out to or drawn in from outside the sealed grow space.
So in building sealed grow rooms you are looking at three to four times the initial investment on smaller scales.
Air vented or totally sealed.
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By creating such an independent ambient atmosphere indoor growers have control over temperature humidity and co2 without having to consider in much detail outdoor environmental constraints.
On larger scales the difference narrows as you move up in size.
Closed loop systems involve having a completely sealed grow room.
A sealed room is a growing environment where there are no holes or air exchanges to the outdoors or any other room.
Regulating co2 in the grow room.
Instead the temperature is kept within the right range by a heater and an air conditioning unit.
Growers have found great success in heightened efficiency using this concept for years and it s something every new gardener really should consider.
As a matter of fact in some climates building sealed grow rooms may be the only real practical option if you want to grow indoors year round using lights.
While adding small amounts of co2 does not require a sealed grow area higher concentrations in the 1200 1500 ppm range would be easier to achieve with a sealed or closed loop room.
Cannabis needs fresh air to grow well.
The sealed grow room gives you complete control and a garden free of anything that is going on outdoors.
The concept of a sealed room is quite basic.
Ideally they are sealed tight from any air or light leaks.
Sealed growrooms are those that have no exchanges between the interior and exterior of the cultivation space.
Humidity is controlled by the use of dehumidifiers and humidifiers.
It doesn t need to be airtight however the closer to airtight the better.