StickyGlands
Well-Known Member
I read somewere that some green houses use co2 to kill bugs and sterilize the room between harvest by raising co2 to 10,000pmm for 24 hrs...
Has anyone done this? Did it work?
How long can a plant survive at that level. Isnt over 2000ppm toxic to plants?
Has anyone done this? Did it work?
How long can a plant survive at that level. Isnt over 2000ppm toxic to plants?