What is the black thing on the first layer of the toilet tank, which was not there before, how to cl

Updated on Toilet 2024-07-02
3 answers
  1. Anonymous users2024-01-24

    The water tank should be cleaned, the water tank has been stored for a long time, and the walls of the tank will grow brown or black things such as moss, and my water tank also has it, and it is OK to brush the water tank with a new toilet brush regularly.

  2. Anonymous users2024-01-23

    It should be a structural glue, and if it is, scrape it off with a utility knife.

  3. Anonymous users2024-01-22

    Is it in the water? Let's go out and have a look.

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