Why does the toilet flush like a ghost crying wolf?

Some toilet bases have two small holes for fixing screws, which are not closed during installation, and the ground flange is not installed, and the flush will overflow if the nozzle is not aligned.

<> toilet leaks as soon as the flush base is flushed: 1. The toilet installation problem occurs when the toilet is flushed, and the toilet leaks when it is flushed, which is that the toilet is not sealed at the beginning of the installation of the toilet, and some netizens buy the toilet from the Internet and install it themselves, and the flange and the toilet drain are not aligned well when installing the toilet, and it will naturally leak out of the toilet base when flushing. >>>More

Sewers, through which everything in the toilet goes into the city sewers.

This is normal, because, in general, the drain pipe of the floor drain is on the drain pipe of the toilet, and when the toilet flushes, there will be air pressure in the pipe, so it will appear as you said.

No matter how dirty the pillowcase is, soak it in it and it will look like new.