Contrary to popular belief, an empty space does not necessarily remain fresh and pleasant. A little-known phenomenon can transform your interior into a veritable nest of unpleasant odors: dried-out drains .
This U-shaped device under your sinks and showers normally retains a small amount of water. This liquid forms a natural barrier against smelly drains. However, when it evaporates—especially during the summer heat or during a long absence—there’s nothing left to block out those foul odors.
I had the bitter experience of this mechanism in a perfectly tidy apartment. As soon as I opened the door, a powerful smell of sewage hit my nostrils. The kitchen seemed spotless , but the sink had let out a veritable cloud of pestilence.
Instant remedy: a few seconds under the tap is enough
The good news? The solution is child’s play. By letting the water run for a few moments, the drain filled up again and, as if by magic, the atmosphere immediately became cleaner.
But rather than reacting, it’s better to anticipate. Here are the two reflexes I now systematically adopt before every departure, even for a short time.
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