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If it doesn't work, find someone who unclogs the sewer and let them use professional tools to poke the cabbage pimple down.
Buy a pipe unclogging agent and pour it into the toilet overnight, flush it the next day, and then the toilet will be smooth again.
1. Take a large Coke bottle and cut it near the bottom. Then, like using a leather pin, aim at the pipe mouth, press down from top to bottom, and press it several times. Be careful to close the cap. >>>More
Water flushing is. Soap dissolves in water. Therefore, soak it for a certain period of time and rinse it with saponified water.
Use an old mop to plug the drain in the toilet bowl and try pulling it a few times...
1. The special kind of suction tool.
2. The kind of iron wire that is dedicated to sewers. >>>More