How do i get rid of gnats in my potted plants?
If your houseplant develops a gnat problem, the first thing you should do to get rid of is isolate the affected plant so the problem does not spread to healthy plants. You can then trap and drown adult gnats by placing apple cider vinegar or wine in a small bowl near the problem plant. The third step is to remove 1/4 inch of topsoil and replace with sand. Fungus gnats prefer moist soil with a lot of organic matter and will avoid plants top dressed with sand.
