Rats hate peppermint because its pungent aroma irritates their delicate noses and makes it hard for them to find their way around.
Rats identify the strong odor of ammonia with that of predators' urine, which makes them avoid the substance.
The strong, aromatic scent of eucalyptus is too much for rats to bear, so they avoid treated areas.
When appropriately placed, the pungent aroma of garlic serves as a natural deterrent for rats.
The pungent, acidic aroma of citrus fruits is repulsive to rats because it confuses their sense of smell and makes them want to flee immediately.
Rats will stay away from places treated with vinegar because of its acidic smell. Vinegar is a popular home item.
Rats' delicate nostrils are irritated by the pungent perfume of chili peppers, thus they avoid or avoid moving through locations where this scent is prevalent.
Rats are naturally put off by the strong, pungent odor of onions, which can be strategically placed to keep rats at bay.