Why Does My Sink Smell? A smelly sink is usually caused by bacteria build up from grease, fat and food which have been flushed down the drain. These will then get stuck in the pipes causing the familiar rotten egg smell.

How do I get rid of the smell in my bathroom sink?

Pour baking soda and vinegar down the drain: Run hot tap water for several seconds, and then turn the water off. Dump one cup of baking soda down the drain followed by two cups of hot vinegar. Let the concoction fizz. After one hour, flush the drain with hot tap water.

Why does my bathroom sink smell like sewer?





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.

How do you get rid of sewer smell in sink?

Baking Soda and Vinegar

While your water is heating, pour one cup of baking soda and one cup of vinegar down your drain, and let the mixture sit. After about ten minutes, flush the drain with boiling water. Finish up by flushing the drain with cold tap water, and wait to see if the odor is gone.

How do I get the rotten egg smell out of my bathroom sink?

If your drain smells like rotten eggs, you must disinfect the pipes to get rid of the odor. You can eliminate the bacteria by pouring a ½ cup of bleach down your drains. However, if you would like an alternative, pour down ½ a cup of baking soda and 1 cup of vinegar.

How do I stop my bathroom from smelling like my septic?





Fixing this problem is simple. Just run some water into the sink for a minute or so, and the problem is fixed. You can also add a little baking soda into the drains to eliminate any possibility of clogging.

Can you pour bleach down the drain?

Pour bleach into them

Bleach is a powerful, toxic substance that should be used carefully and properly, and pouring it down a drain is not a proper use. Bleach can react with other substances in your pipes, potentially release fumes, and further plug up the system.

Why does only one sink smell like rotten eggs?

If it only smells like sulfur when the water’s hot, the source is probably a chemical reaction inside your water heater. If it stinks when running cold water, it’s most likely due to high levels of sulfur bacterium and hydrogen sulfide gas in the water itself.