I have the fungus gnats under control. 3-pronged attack ( i grow in coco):
#1 - Monterrey BT. Make sure its fresh - it should smell rather bad. Available online. I apply 2x a month.
#2 - physical. lights on in the morning, I watch the plant at bottom stem level. The gnats hang out on the bottom of the plant pot, in the medium of course, and also on the lower stems. When lights/fans come on, they wake up and I smash them with my thumb/fingers as I see them move about. I keep a chopstick handy to rake the medium and also as a weapon to smash gnats not within reach
#3 - sticky traps. I haven't used these for a while but got some as backup
Fungus gnats are weak fliers and live in the top of your growing medium. Thanks Hammerhead for the tip on raking the medium.
#1 - Monterrey BT. Make sure its fresh - it should smell rather bad. Available online. I apply 2x a month.
#2 - physical. lights on in the morning, I watch the plant at bottom stem level. The gnats hang out on the bottom of the plant pot, in the medium of course, and also on the lower stems. When lights/fans come on, they wake up and I smash them with my thumb/fingers as I see them move about. I keep a chopstick handy to rake the medium and also as a weapon to smash gnats not within reach
#3 - sticky traps. I haven't used these for a while but got some as backup
Fungus gnats are weak fliers and live in the top of your growing medium. Thanks Hammerhead for the tip on raking the medium.