What to do if the toilet smells

Now there is an anti-odor floor drain effect that is sold outside.

Check that each sewer pipe has a pipe bending device (which acts as a water seal), if not, then it must be aftertaste. Please refer to it.

The situation is similar to that of my home, when the building was built, there was a sewer pipe without a bending device, and when it encountered climate change such as sudden cooling, it would return from the floor drain, and there was no way to use a plastic bag to cover the floor drain, of course, when taking a bath, it would be good to buckle the floor drain, and pay attention to the usual don't forget to turn off the faucet to cause running water.

The floor drain may be broken The normal floor drain should store water in it, which plays the role of sealing the odor.

or flush frequently.

OK. Replace the floor drain with a water seal of more than 5 cm. In order to effectively prevent aftertaste.

Extend the sewage pipe to the roof and the odor is discharged to the roof.

Rinse with boiling water and pour some dish soap inside.

I do it fundamentally and repair the sewer!