How to Unclog a Sink Using a Wet Vacuum

Written By: Monica Collazo-Cofino
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How to Unclog a Sink Using a Wet Vacuum

Difficulty

Easy

Steps

9

Time Required

20 - 30 minutes

Introduction

If your sink is clogged and you're looking for a quick way to clear it, this guide will walk you through using a wet/dry vacuum to effectively unclog your sink without the need for harsh chemicals or professional assistance.

This method is suitable for most standard sinks. Keep in mind that some stopper plugs are attached to the p-trap and may require extra precautions when removing them. Follow instructions here to learn how to do that. Additionally, some sinks have an overflow hole that should be sealed during this process to maintain proper suction.

Before beginning, make sure your sink is free of standing water and that your vacuum is ready for wet use. If needed, check your vacuum’s settings to ensure it's set up for liquid suction.

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    • Before starting, make sure your sink is empty.

    • Clear out the sink using a cup or sponge to remove any standing water for better suction.

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    • If your stopper is attached to the p-trap, removing it may cause water to leak. Be ready to duct tape it or have a towel or small bucket to catch the leak.

    • If your sink has a stopper plug, take it out.

    • This will give direct access to the clogged drain and improve suction.

    • Most sinks have detached stopper plugs. However, some sink stoppers are connected to the p-trap, so check which type you have and adjust accordingly.

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    • If your sink has an overflow hole, cover it with duct tape or a towel to seal it.

    • This helps maintain suction and prevents water from leaking through it.

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    • Ensure that your vacuum can suck up water, using a regular vacuum could cause damage to the vacuum.

    • Before setting up, open your wet vacuum so it’s ready for use.

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    • Check the settings on your vacuum to see if your filter is good for wet or dry use.

    • Remove the filter to avoid potential damage.

    • As a precaution, it's recommended to remove the filter even if it's designed for wet use to prevent potential damage over time.

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    • Position the vacuum hose directly over the drain.

    • Press the hose firmly against the drain.

    • If needed, add an inch of water to the sink before attaching the hose, this can help improve suction.

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    • Switch the vacuum to wet mode and turn it on.

    • Hold the hose over the drain for about two minutes to pull up the clog.

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    • The vacuum tank may fill up quickly, so be prepared to empty it once or twice during the process.

    • Check the vacuum hose for debris every few minutes.

    • If hair or gunk comes up, remove it by hand or with needle-nose pliers before continuing.

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    • Remove the hose from the sink.

    • Run water to see if the clog is cleared. If water still drains slowly, repeat the process or consider seeking professional assistance.

Author

Monica Collazo-Cofino

Member since: 12/01/25

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