The answer to 'drain trap maintenance' is that regularly cleaning and inspecting your drain traps is an important part of home plumbing maintenance. Drain traps are the curved sections of pipe under sinks, tubs, and showers that hold a small amount of water to prevent sewer gases from entering your home. Properly maintaining your drain traps can help prevent clogs, odors, and other plumbing issues.
To maintain your drain traps, you should inspect them every 6 months and clean them as needed. This involves removing the trap, flushing it with water to clear any debris, and then reinstalling it. You may also need to use a plumber's snake or other tool to clear any stubborn clogs. If you notice any cracks or damage to the trap, it's best to replace it to avoid leaks.