—coffee grounds—is another simple approach to attempt to repel mosquitoes from both indoor and outdoor areas. Several research conducted since 2003 have validated its efficacy as a natural repellant, and it comes highly recommended by the American Environmental Protection Agency (EPA). Here is a step-by-step guide to unleashing its full repelling potential.
After you’ve pounded the coffee grounds onto a plate and covered it with foil, set them aside in a cool, dry spot to dry out.