Articles

Identification, myth-busting, and explainers. The claims worth checking before you buy anything, backed by sources.

• Rodent Control

  Do Mouse Repellents Actually Work?

  Peppermint oil, ultrasonic plug-ins, ammonia, predator urine: the evidence behind the most popular mouse repellents, and the two things that actually end a mouse problem.

• Rodent Control

  Mouse or Rat? How to Tell Which You Actually Have

  It changes the trap, the bait, and where to set it. Look at droppings size and shape, gnaw mark width, tracks, rub marks, where in the house you are hearing it, and the size of the gap it came in through.

• Prevention & Exclusion

  Do Ultrasonic Pest Repellers Work? And Peppermint Oil, Dryer Sheets, and Mothballs?

  The short answer is no. Independent research and FTC enforcement find no reliable evidence that ultrasonic repellers, peppermint oil, dryer sheets, or mothballs keep mice away. Here is what the evidence says, and what to do instead.