Put a bottle in the shower drain: what happens is unexpected

explains where cockroaches come from in bathrooms and kitchens, that is, places where plumbing fixtures are found.

You can also use small access holes to the outside , such as the small space between doors and the floor.

Unfortunately, there are also flying cockroaches that can enter our homes through windows. Although sinks are equipped with caps, this is not the case with shower drains . And this is where our little plastic bottle comes into play.