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 ...

Use Cinnamon for Plants For outdoor plants, Guerrera sprinkles cinnamon on the soil to naturally kill fungus gnat larvae.

That Time Kip Moore and I Built a Gnat Trap We built a gnat trap from juice, a bowl, and aluminum foil. It was supposed to be plastic cling wrap and apple cider vinegar, but we used what we had.

SAVE 50%: Eliminate mosquitos, gnats, and other annoying insects from your space with the Katchy bug trap. It's on sale for $25.19 at Amazon, which includes an extra 10% off coupon, as of August ...