Keep food covered and clean up crumbs, spills, and trash promptly
Empty trash cans regularly and use tight-fitting lids
Remove standing water from sinks, drains, trays, and plant saucers
Water houseplants only when needed and let soil dry between waterings
Replace or clean overwatered potting soil if gnats persist
Use fine mesh screens on windows and doors
Seal cracks, gaps, and entry points around doors and windows
Store fruits and vegetables in the refrigerator or sealed containers
Clean drains regularly
Use sticky traps near problem areas
Take out compost frequently and keep it sealed
Rinse recyclables before storing them
Keep pet food bowls clean and do not leave food out for long
Fix leaks and moisture problems quickly
Use fans to reduce still air around indoor plants and food areas