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Most of them are problems with pipelines, and when the pipes are blocked, the flow is not smooth.
It is likely that your toilet drain does not have a bend. Another situation is that the toilet is not well sealed in installation, you can try to make a complete glass glue along the contact seam between the base and the ground.
No way.
Don't mind if you say that the gas in the sewer is compressed from your own toilet when you flush the water upstairs. >>>More
The upstairs flushing toilet is leaking, if it is serious, you can negotiate with the upstairs residents and talk well. >>>More
Toilet odor should be your floor drain that is not blocking the flow of air. If it is a water ring blocking type, you can regularly pour some water on the floor drain. Or replace it with a good way to block the flow of air! The kitchen should be a bit blocked by pipes. Dredging is enough.
It was the drainage main outside that was blocked, so I went outside to lift the manhole cover and use bamboo slices to pass it.