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You sit on the toilet so not a puen you, it may be that there is no way to install the toilet when you install it, and now you can use porcelain white glass glue around the toilet to beat it tightly.
It depends on the specific situation, if you buy a brand-name toilet and the smell returns, it is 100% caused by improper installation. If it is a miscellaneous brand toilet, in addition to improper installation can cause aftertaste, it is also related to the quality of the toilet. Many miscellaneous brands of toilets are not high-temperature porcelain, and the water absorption rate of the toilet body is very high, and after a period of use, it will become a stinky stone. >>>More
That is the drain is not sealed, it must be very smelly, in the past it was all cement sealing, now there is a finished drainage gasket, remove the toilet, clean the drain, trim it flat, buy a seal to press on the drain, and glue on the toilet side. Look at the picture.
This can be cleaned up and redone, taking care to clean it up and free of water and dust.
There should be gaps. If there are no gaps. That's not something that's going to be destructive. >>>More
Smooth it with white cement or glass glue.