-
This depends on what kind of sewer pipe you have, don't fall down if it's very thin, it is recommended that you don't pour it in, in case it is blocked, it will be troublesome, or take it into the trash.
-
It doesn't matter if it's not more than 2 mm thick.
Cigarette ash contains nicotine, which is very toxic to pests, and it is still effective after trying it before, make 50-100 cigarette butts, add about 200 ml of water to kill it overnight.
Why is this happening? There is nothing to explain in such dreams, and sometimes they have nothing to do with the facts, so you don't have to mind too much.
It's best not to get weird things, and don't advertise them. Ghosts and gods do exist, but they should be worshiped and kept away.
When it's cold, it's easy to solidify in the pipes. Just pour some boiling water and rush in.
Judging from your picture, this is called a squatting toilet with a smelly lid or bowl, and this one can be used directly at the drain of the squatting toilet.