The sink trap or the plumbing vent.
Kitchen sink smells bad when water runs.
A typical sink trap.
Run hot water through your faucets frequently during this timeframe to flush your home s water pipes.
Pour a pot of boiling water down the drain to lift and move the muck that s clinging to your sink drain walls.
A rancid odor coming from your sink drain may just be coming from debris in the p trap but if it smells like a sewer it probably means venting problems in your drain system.
The sink trap if you look under your kitchen sink you ll see a sink trap.
Baking soda and vinegar.
This is the first step and may do the trick.
This is especially helpful if you have a garbage disposal in operation and is the simplest trick on how to get rid of kitchen sink odor.
Start by letting a sink full of hot soapy water flush through the garbage disposal while it s running.
Add a squirt of dish soap.
Hot water and dish soap.
14 tricks on how to get rid of your sink smell 1.
3 reasons why your kitchen sink smells bad when the water runs as we already said the main reason why your kitchens sink smells is that it got clogged somehow.
Put a stopper in the sink and fill it with several inches of hot water.
When the vents are blocked flushing a toilet can create sufficient vacuum to suck water out of the trap and allow sewer gases into your home.
Plug the sink with a stopper and fill it at least halfway with hot water.
If your water still smells after you ve removed yourself from the sink area try turning up the temperature in your water heater for 24 hours.
Rotting food stuck in the drain or garbage disposal or sewer gas is leaking in through the plumbing vent or drain trap.
However the clog doesn t have to that strong and overwhelming you can also experience some really bad smells even if the clog is not that big.
Kitchen sink smells can have one of two causes.
It turns out that reek is coming from your kitchen sink.
Turn on the disposal while the sink drains.
How to get rid of sewer gas smell now if you smell sewer gas you have a different problem.
Whether you have bad smell or not you will probably notice that this sink always foams for a few seconds before solid water runs especially if you haven t used it in a while like being on.
So how exactly does this happen.
This smell is leaking in from the sewer through the drain.