No, you should never pour olive oil, cooking oils, grease, or animal fats down your garbage disposal or kitchen sink drain. While cooking oils are liquid when hot, they cool down and solidify inside your drain pipes and disposal housing, creating a sticky coating that traps food particles and causes severe plumbing clogs over time. Instead, pour excess cooking oil into a disposable container and throw it in the trash. Verification: Inspect drain pipes for greasy buildup if oils were accidentally introduced.
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