New answers tagged blockage
I am assuming Chinese plumbing works the same as most other. In such case, the only place in common to the sink, shower, and toilet is somewhere past the last one. You might check with neighbors to see if they are having any problem. If they started having trouble when you did, the block is downstream of them too, in which case a longer auger is called ...
If the auger doesn't work, try plunging. Block the sink and shower drains and plunge the toilet.
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