Must Be Opened Once a Month — Most People Don’t Know This Simple Habit
Some everyday household items are designed to be closed most of the time—but experts say they must be opened at least once a month to prevent damage, odors, or costly repairs. Surprisingly, many people overlook this simple habit.
What Needs to Be Opened Monthly?
The most commonly ignored item is the drain clean-out or trap (including floor drains, sink traps, and rarely used bathroom drains).
When drains stay unused for long periods, problems can develop quietly.
Why Opening It Once a Month Matters
Plumbers and home maintenance professionals explain that monthly opening or flushing helps to:
Prevent foul odors caused by dry traps
Stop buildup of grease, soap, and debris
Reduce mold and bacteria growth
Avoid unexpected clogs or sewer gas leaks
In rarely used sinks, showers, or guest bathrooms, the water in the trap can evaporate, allowing unpleasant smells to rise into your home.
How to Do It the Right Way
Once a month, simply:
Run water for 30–60 seconds in each drain
For floor drains, pour in a bucket of clean water
Optionally add a tablespoon of cooking oil to slow evaporation
Check for unusual smells or slow drainage
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