There was a plastic water pipe in the toilet box, and I opened it today and looked at it, and I touc

Updated on Toilet 2024-05-04
3 answers
  1. Anonymous users2024-01-23

    This pipe is the upper water pipe, and the long-term use of the water tank will cause fungi and algae to grow, and this layer is the attachment of algae and scale.

  2. Anonymous users2024-01-22

    The impurities and microorganisms in the water attach to the water pipes, and over time, they accumulate more and more, and they become the so-called gelatinous substance;

  3. Anonymous users2024-01-21

    Microorganisms in the water are easy to grow in the water in an anaerobic environment.

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