C669 It Was Polluted

Mopping the floor sometimes brings out a fishy smell, and there are several reasons for it. It could be that the mop itself isn't clean. These days, people often use the old-fashioned cloth mops. Where Qiaoqiao lives, the greenery is lush, making the humidity relatively high, which means mops can easily get damp and breed bacteria. She always makes sure to wash them thoroughly