VIDEO: How to Unclog Your Sink Drain With a Plumber’s Snake

By Matt Schmitz

March 04, 2025

You’ve tried everything you know how to do. You’ve removed your pop-up stopper and cleaned out the mass of hair, toothpaste, mucus, soap scum and goodness-knows-what-else from the topside. You’ve removed and cleaned out your P-Trap from the bottom side. But that one drain is still backing up into the sink. You might need to use a plumber’s snake … and you might need a plumber.

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If none of the obvious issues and their respective solutions, as listed above, takes care of your slow-draining sink, you’re gonna need to call a pro! While tending to one’s own household maintenance obligations can be rewarding and is, in many cases, doable if not necessary, some tasks are just too much to ask of your everyday DIYer. That’s why we called in reinforcements for this particular project. One of our HomeServe homies — a bona fide HomeServe network plumber — showed us how to diagnose and deal with a stubborn slow-draining sink.

In the video above, we’ll cover the following topics:

  • How to unclog a bathroom sink drain using a plumber’s snake

  • Why a drain snake is effective and preferable to chemical cleaners

  • Tools and materials needed for the job

  • Safety precautions

  • How to remove the pop-up stopper drain assembly

  • How to insert a plumber’s snake into the drain

  • How to clear the drain

  • How to test if the drain is clear

  • How to prevent future clogs

Watch the video and let us know what you think in the comments section, homeowners: Is this a DIY dilemma, or a problem for the pros?

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