Before leaving for vacation, most people remember to lock the doors, unplug appliances, and turn off the water, but the kitchen and bathroom sinks are often overlooked. If a home sits empty for an extended period, drains can develop unpleasant odors, and damp conditions may attract insects such as drain flies or cockroaches. Taking a few simple precautions before you leave can help keep your home fresher while you’re away.

One commonly shared tip is to clean the sink thoroughly, pour hot vinegar down the drain to help remove buildup, rinse it with warm water after a while, and dry the sink completely. Some people also place a paper towel over the drain and cover it with an upside-down glass as an extra barrier against odors and insects. While this method may help in some situations, its effectiveness can vary depending on the type of plumbing and drain.

It’s also important to remember that sewer gases are normally blocked by the water trapped in the drain’s P-trap. In most homes, this water remains in place during a typical vacation, but if a property will be vacant for a very long time or has plumbing issues, the trap may eventually dry out. In those cases, adding a little water to infrequently used drains before leaving can help maintain the seal.

With a few minutes of preparation, you can reduce the chances of unpleasant smells or unwanted pests when you return. Cleaning the sink, checking that drains are functioning properly, and taking simple preventive steps can help ensure your home is fresh, clean, and ready to welcome you back after your trip.