How to use onions to scare away rats?

We hear them in the walls, we discover small damages when we wake up... and panic sets in. There's no question of spraying your home with toxic substances or setting dubious traps. What if we told you that the solution to scaring rats away was found in a food you already have in your kitchen? Intriguing, right? Get ready to discover a simple, natural, yet very effective trick.

Why can't rats tolerate onions?

Behind its innocuous appearance, the onion hides a very useful secret: its pungent odor acts as a real rat repellent. These clever little creatures with their highly developed sense of smell hate the  sulfurous substances  it gives off, so much so that they prefer to flee rather than approach it.

Even better, if they do end up snacking on it, their bodies can't tolerate it. As a result, not only do they avoid the area, but they also avoid the risk of returning.

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