Fruit Trap The fruit lure will work as the fruit's aroma attracts the gnats. The dish cleaning soap and water drowns the insects. This is the way to set it up: 3. Repair Leaky Pipes Deal with all pipes which might be leaking water or sewage beyond your own home. https://titus6aksy.blogdon.net/the-ultimate-guide-to-how-to-exterminate-household-insects-bisha-47104436