Start with your plants because damp soil can provide an ideal environment for fungus gnats to reproduce. Allow the soil to dry between waterings instead of keeping it constantly moist. Remove dead leaves and other organic material from the surface, since these can contribute to conditions gnats prefer. A thin layer of food-grade diatomaceous earth on the soil surface can also make the environment more difficult for larvae. These simple changes reduce the places where the next generation can develop.

Next, deal with the adult gnats that are already flying around your home. Sticky traps placed near affected plants can catch adults before they have another opportunity to reproduce. You can also create a simple trap using a small bowl of apple cider vinegar and a drop of dish soap. The smell attracts the gnats, while the soap disrupts the liquid’s surface and helps trap them. These methods work best when combined with changes to the breeding environment.

Your kitchen and drains also deserve attention. Keep trash bins clean and covered, wipe up spills, and avoid leaving ripe or damaged fruit exposed for long periods. Clean drains regularly and keep surrounding areas as dry as possible. The goal isn’t simply to kill the gnats you can see—it’s to remove the conditions that allow them to keep returning. Consistency matters more than using a single powerful treatment.

Eventually, the swarm begins to disappear. Fewer gnats gather around the lights, fewer hover over your plants, and your kitchen starts feeling peaceful again. What seemed like an infestation appearing from nowhere was actually a life cycle that could be interrupted. By drying plant soil, trapping adults, removing breeding opportunities, and keeping your environment clean, you can gradually regain control of your home. The first gnat may have been easy to ignore, but stopping the swarm starts with taking action before it grows.