Empty and clean any trash cans and recycle bins
Remove standing water from sinks, drains, planters, trays, and buckets
Clean and scrub kitchen/bathroom drains with a brush
Run hot water through drains regularly
Use a drain cleaner safe for your plumbing as directed
Cover exposed food and promptly clean up spills
Store fruit and vegetables in the refrigerator or sealed containers
Wipe counters, sweep floors, and clean under appliances
Empty and rinse pet food/water bowls daily
Wash recycling bins and compost containers regularly
Check indoor plants for gnat activity and remove dead leaves
Let the top 1–2 inches of potting mix dry out between waterings
Replace heavily infested soil or top-dress with fresh mix
Use sticky traps near windows and around affected areas
Place apple cider vinegar traps (bowl with vinegar + a drop of dish soap)
For fruit flies/gnats near food, use store-bought bait traps as directed
For drain gnats, apply beneficial nematodes to damp soil/drains as directed
If needed, use an insecticide labeled for fungus gnats/gnats indoors as directed
Vacuum adult gnats daily for several days to reduce the population
Seal cracks and gaps around windows/doors
If they persist, contact pest control for targeted treatment