Although I am a newcommer germinating for my 1st grow and have never tried this on MJ, I have used this method for years on all my garden vegetables with good results.
By some pipe or rolling tobacco (NOT ready made cigarettes) and soak it in water overnight. I use about half an ounce (12g) in half pint. Bring it to the boil, strain and cool.
You will end up with an unpleasant brown liquid that is lethal and organic. It's a strong poison so make sure nobody drinks it!
Mist it onto your plants and watch everything with legs die.
sawmiller Reviewed by sawmiller 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