![bathroom - What is this black stuff that appeared on my drain after cleaning with a bleach-based cleaner and how do I clean it? - Home Improvement Stack Exchange bathroom - What is this black stuff that appeared on my drain after cleaning with a bleach-based cleaner and how do I clean it? - Home Improvement Stack Exchange](https://i.imgur.com/6Ux9Q4o.jpg)
bathroom - What is this black stuff that appeared on my drain after cleaning with a bleach-based cleaner and how do I clean it? - Home Improvement Stack Exchange
![Is this shower too far gone? Been scrubbing with bleach product then switched to vinegar and water and some baking soda. Help? : r/CleaningTips Is this shower too far gone? Been scrubbing with bleach product then switched to vinegar and water and some baking soda. Help? : r/CleaningTips](https://preview.redd.it/is-this-shower-too-far-gone-been-scrubbing-with-bleach-v0-ijbjptvuwe991.jpg?auto=webp&s=462b8960f70b4dd9509551c7a864b60991dc9075)
Is this shower too far gone? Been scrubbing with bleach product then switched to vinegar and water and some baking soda. Help? : r/CleaningTips
![Any help? A porcelain sink horrible abused by previous owners. I've tried bleach and later BKF with a drill brush with little improvement. : r/CleaningTips Any help? A porcelain sink horrible abused by previous owners. I've tried bleach and later BKF with a drill brush with little improvement. : r/CleaningTips](https://preview.redd.it/wfwerh7ohpw71.jpg?width=640&crop=smart&auto=webp&s=1511f3f450f2ef5a2e1f5215baeb6a62cc00e18c)