plants need oxygen to breath too. i'm not sure if the ppm will be less than the mites can survive on though.

try neem oil - its 100% natural and will kill any insects or mites.
Specialist Reviewed by Specialist on . CO2 as pesticide I've always only grown from seed, but I'm going to pick up some clones tonight. I'm a little concerned about introducing pests (piggybacking on the clones) to my clean grow room. I've been thinking about placing the clones in a cooler with dry ice for about an hour allowing the dry ice to displace the O2 and kill any spidermites etc that may be on my clones. Does this sound reasonable or will this cause too much stress on the young plants? I'm going to a pretty highly rated club in Rating: 5