Most people don’t pay much attention to their drains until something unpleasant happens. A lot of times, that unpleasant event is either a smelly drain or a clogged drain.

Sinks, shower drains and kitchen drains need to be cleaned so they don’t get smelly. Scented candles or potpourri may cover stinky drain smells, but you need to address the source to fully eliminate odors. Learning how to clean drains and with regular maintenance, you can prevent smelly drains.

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Continue reading to learn what can cause different drains in your home to clog or smell and how to fix smelly drains and keep them from smelling.

WHY DOES MY BATHROOM SINK SMELL?

There are a few possible reasons your bathroom sink smells. Luckily, cleaning a smelly drain in a bathroom sink can be easy if you have the right tools.

To clean a bathroom sink and to eliminate smelly bathroom drains, it’s important to have a proper P-trap. A P-trap is the curved portion of pipe under the sink. It’s supposed to create a seal by holding water, which prevents sewer gases from getting into the bathroom.

If the P-trap isn’t working properly, sewer gasses can make their way into the bathroom and cause your sink to stink.

Your sink should also have a vent that gives backflowing gases somewhere to go. If the sewer smell in your sink is caused by a blocked air vent, you may need professional assistance.

If the smell is coming from the water flowing from your sink, and not the drain, there is probably something in the faucet causing the odor. Take off the aerator cap and look inside for any buildup or gunk you can clean off. How bad the smelly drain gets usually depends on how often you clean your drains. There could also be stagnant water in your overflow drain, which can cause an unpleasant smell. Clean your bathroom sink routinely and use drain cleaners to avoid any smelly drain odors.

WHY DO MY SHOWER AND BATHTUB DRAINS SMELL?

There are a couple of reasons that your shower drain or bathtub drain smells. How to clean smelly drains depends on the severity of the odors, and what’s causing the drain smell.

There could be odor-causing bacteria feeding on debris in your pipes. This process will give off a foul-smelling hydrogen sulfide gas, which smells like sewage or rotten eggs.

Also, mold grows where it’s warm and wet — and mold growth on the debris causing a drain clog can also cause a bad smell. It’s important to clean your drains to avoid smelly odors and other drain issues, like mold.

WHY DOES MY KITCHEN DRAIN SMELL?

If your kitchen sink drain smells, especially if there is a sewer smell, you may have a dry P-trap. The P-trap is the curved portion of pipe under the sink. It is supposed to hold water, which creates a seal that prevents sewer gases from getting into your kitchen. There needs to be water in the P-trap at all times.

There may also be a drain pipe or vent problem. This could involve pipe damage or an obstruction in your vent.