![Wtf is in my pipes? Unclogging a bathroom sink, took apart the drain below the sink and a bunch of black slime came out in thick chunks : r/Plumbing Wtf is in my pipes? Unclogging a bathroom sink, took apart the drain below the sink and a bunch of black slime came out in thick chunks : r/Plumbing](https://preview.redd.it/wmdhepp7n7681.jpg?width=1080&crop=smart&auto=webp&s=90811e511834a0658f88394db00f9925ccdbe3a3)
Wtf is in my pipes? Unclogging a bathroom sink, took apart the drain below the sink and a bunch of black slime came out in thick chunks : r/Plumbing
How to clean years of accumulated gunk from kitchen sink piping | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
My sink is clogged by black gunk and it only happens to the sink I mostly use. Why does this happen and how do I remove it? - Quora
![Black sludge growing in sink regularly, how worried should I be? More info in comments : r/MoldlyInteresting Black sludge growing in sink regularly, how worried should I be? More info in comments : r/MoldlyInteresting](https://i.redd.it/omve3shczfm81.jpg)