Those are probably drain fly

来源: 于 2023-09-12 13:52:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Use vinegar plus baking soda, mix with water. Pour into those drains before sleep. Do it several days in a row. if still not working, you might have to call someone to water jet entir drainage.