Preparing for a vacation usually involves packing your bags, locking the doors, and making sure your home is secure. But there’s one simple trick that many experienced homeowners swear by: placing an upside-down glass over a sheet of paper in your kitchen sink before you leave.
It may sound unusual, but this easy precaution can help you identify hidden plumbing issues when you return.
The Simple Sink Trick
Before heading out the door:
- Place a clean, dry sheet of paper flat in the bottom of your kitchen sink.
- Turn a dry drinking glass upside down and place it over the paper.
- Leave both items undisturbed until you return from your trip.
When you get home, check the paper and the glass.
- If the paper is still completely dry, your sink likely remained free of unexpected moisture.
- If the paper is damp or wet, it may indicate that water entered the sink while you were away.
Why Does This Work?
The paper acts as a moisture detector. Because it’s protected by the upside-down glass, any dampness found beneath it is less likely to come from everyday splashes and may instead point to moisture entering through the drain or from a plumbing issue.
Possible causes include:
- A slow drain backup
- A small plumbing leak
- Condensation caused by high humidity
- Water entering the sink from connected plumbing
While this trick isn’t a scientific test, it can provide an early clue that something may need attention before a small problem becomes a costly repair.
Don’t Rely on It for Home Security
Some social media posts claim the glass-and-paper trick can reveal whether someone entered your home. That’s a myth.
A shifted glass or damp paper cannot reliably indicate a break-in. Pets, vibrations, plumbing pressure changes, or other harmless factors could disturb the setup.
For better home security while traveling:
- Lock all doors and windows.
- Set timers for indoor lights.
- Ask a trusted neighbor or friend to check on your home.
- Use a home security system or smart cameras if available.
More Smart Vacation Preparations
To reduce the risk of problems while you’re away:
- Turn off the main water supply if possible.
- Empty trash bins and remove perishable foods.
- Unplug unnecessary electrical appliances.
- Adjust your thermostat to an energy-saving setting.
- Clean sinks and drains before leaving.
- Ensure gutters and outdoor drains are clear if heavy rain is expected.
Is This Trick Worth Trying?
Yes—mainly because it’s simple, free, and takes less than a minute. While it won’t prevent plumbing problems, it can help alert you to unexpected moisture or drainage issues as soon as you return.
Think of it as an extra layer of precaution, not a substitute for proper home maintenance or a comprehensive security plan.
Final Thoughts
Leaving an upside-down glass covering a piece of paper in your kitchen sink before going on vacation is an easy habit that may help you spot hidden moisture problems when you get home. Although it’s not foolproof, combining this trick with practical steps like shutting off the water supply, securing your home, and checking appliances can give you greater peace of mind while you’re away.
Sometimes, the simplest preparations can make returning home a little less stressful—and help you catch small issues before they turn into expensive repairs.