Why do leeches appear in the toilet at home? Why do leeches appear in the toilet at home?

1, leeches probably come from sewers. Leeches are afraid of alkali and salt. You can use some copper sulfate or salt. Copper sulfate turns blue in water and is toxic. Put it in the sewer and put some salt at the mouth of the sewer to prevent it from climbing up.

2. Toilets and toilets at home are humid because of frequent use. If there is good ventilation, the bathroom will dry up after a while. However, some bathrooms are humid, which will not only produce bad smell, but also easily provoke some creatures who like humid environment, such as leeches.