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Pour sulfuric acid. Pay attention to safety when pouring. There is a certain danger, pay attention to the way of operation.
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There was no choice but to hire a professional drain worker to dredge the sewer.
THE SIZE OF THE SEWER PIPE IS 110MM, WHICH IS LARGER THAN THE DISPOSABLE 50MM, SO IT WILL NOT CLOG AS LONG AS THE CUP REACHES THE PIPE.
The grocery store or wholesale market buys a special toilet, it is convenient to block it in the future, don't buy the kind of suction, buy the kind of dredge tool like a spring, it is very easy to use, and it is convenient to open the toilet sewer.
Use a hook to hook the water cup out and let the water run down.
Dredging the toilet solution 1: Buy some caustic soda, boil water to melt the caustic soda, and pour it into the toilet. After ten minutes, everything will be cleared. >>>More
Once it's done, it won't be fine.
The main pipe below is much thicker than the one above. >>>More