After frying up a delicious batch of bacon or sautéing vegetables in oil, it might seem harmless to pour that leftover grease or oil down the kitchen sink. After all, it’s just a liquid… right?
**Wrong.**
Pouring oil down the sink may seem convenient in the moment, but it’s one of the **most damaging things you can do to your plumbing** — and the environment. Here’s the **shocking truth** behind what really happens when you send oil down the drain, and why you should **never make this mistake again.**
### What Happens When You Pour Oil Down the Sink?
Although oil looks like a harmless liquid when hot, it **solidifies as it cools**, especially inside your cold plumbing pipes. Over time, that oil builds up, traps food particles, and leads to serious clogs that can damage your plumbing system.
