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There is a supermarket that sells the kind that specializes in unclogging kitchen drains, and you can use this to soak in one night.
1. Caustic soda.
Caustic soda has a strong corrosive effect, pour caustic soda into the sewer nozzle, and then pour boiling water into it, which also has a strong corrosive effect on those stubborn oil stains in the pipeline, but in the cleaning process, you must pay attention to wearing gloves before cleaning. >>>More
In the event of a burn in life, the following measures can be taken: >>>More
Spend money to hire a plumber to clean it up, otherwise let the plumber change the drain.
Mr. Vermeer has a good degreasing effect, you can try it. >>>More
Sebum secreted by the sebaceous glands.
It is different from the grease composition of the kitchen drain. >>>More