Not sure this will cure an infestation, but I am sure that it prevents one.

http://boards.cannabis.com/growing-i...nats-away.html

Have not seen one fungus gnat in almost 2 years now.
Also stops whitefly.
Ineffective against spider mites though.

Anything else we can he'p with ?
Don't be shy we are here all week.

Weeze
Weezard Reviewed by Weezard on . HELP, HOW CAN I GET RID OF THESE GNATS THERE KILLING MY PLANT!!! there loads of the lil fukers swarming my plant and they seem to love running across the top of my soiil, does any1 no an effective way of killing them of without use pesticides?? Rating: 5