Our Cleaning Lab experts found the best three methods for killing gnats with vinegar: Invest in an insecticidal spray that's safe for indoor use, like the Zevo Fly, Gnat & Fruit Fly Flying Insect ...

If you've already got them, the Wondercide Flea and Tick spray will do the job. The post The Best DIY Gnat Trap to Try appeared first on Family Handyman.