Doing my first grow. Do I need an active intake or is passive intake hole fine? If so how big should it be? Growing in a 4’x8’x80” 6-12 plants 2 oscillating fans inside the tent. How much co2 does every cannabis plant need? My exhaust fan takes out 402 CFM at full power (which I probably won’t have it at) and is being ducted to outside. The room I’m growing in is an average bedroom. Can I just do a passive intake from the bedroom it’s growing in? Will this be enough fresh air for the plants?
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Last edited by illGatess; 10-13-2020, 11:58 AM. -
A intake with your setup wouldn’t be needed -
Im not expert but I have a 3x3 x80” tent when 2 plants flowering. I opened a second passive intake vent flap it made a huge difference. Maybe experiment with that, I have a modest exhaust fan at 4” . They say 4 times the size of out put for intake but I think more is better my humidity is running 10% lower now than before.KIS mix organic living soil from Black Sallow soils in 7gal. pots
Black Swallow Organic Bloom mix top dress before flower.
Reusing soil with Black Swallow nutrient pack between grows
Maybe some compost teas
Blumat watering system
Microbial Mass and other microbial boosters(Wallace)
3x4x6’ tent
Photontek 465wpro
6” AC Infinity outdoor air in and out, humidifier, dehumidifier, heater, oscillating fan.
Inkbird controllers heat/humidityComment
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i added a computer case fan (after some research on cfm). Note: I had to build a air passage tunnel / maze which stopped any light coming. Flat black paint and corrugated black material was used on the walls especially when the direction changed. Worked out really well.Comment
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