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Proof that your drain is clogged and that it is at the back of the toilet and you need to find a professional to unclog it.
Make a hook with wire, stick in and adjust the angle to get it out, if you really can't get it, you can only dig it out.
The squatting toilet structure has a backflow bend and no backwater bend. >>>More
Went to the septic tank.
A septic tank (huàfènchí) is a device that treats manure and filters it for sedimentation. The principle is that the solidified object decomposes at the bottom of the pool, and the hydrated object in the upper layer enters the pipeline and flows away, preventing the pipeline from being blocked, and giving the solidified object (feces and other garbage) sufficient time to hydrolyze. >>>More
Does the toilet have trachoma or is it cracked? If not, the flange connecting the toilet to the sewer is aging. Just remove the toilet and replace the flange!
If you put it underground, it doesn't matter, it doesn't matter if you use a model above 110, but you can only choose a straight-flush style for the toilet.