Will the bathroom smell bad if it is not cleaned?

The smell in the bathroom is methane and volatile urea, which can be nauseous at best and not poisonous.

The smell of the bathroom is because the bathroom equipment has not been used for a long time, and the water seal inside has evaporated, and you only need to pour some water into these equipment, and the smell will be gone.

First of all, 1 the tape you use (the sealing tape on the market) can't seal the smell, because 1 is not waterproof 2 The sealing is average. >>>More

There are 3 bad smells in the bathroom

1: Floor drain. 2: Washbasin drain. >>>More

If you have a smell all upstairs and downstairs, it means that the exhaust hole leading to the roof is blocked, and there is a main pipe leading to the roof, and you can see it when you go up and see it.