Gnats lay eggs in the soil. I use ground up Mosquito Dunks, sprinkle them on the top of the soil. As you water it dissolves and the larvae feed on it. Takes a month or so to work. You can find them at most garden centers. Reply
Gnats lay eggs in the soil. I use ground up Mosquito Dunks, sprinkle them on the top of the soil. As you water it dissolves and the larvae feed on it. Takes a month or so to work. You can find them at most garden centers.