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How to Unclog a Sink

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  1. How to Unclog a Sink, How to Unclog a Sink: step 1, image 1 of 3 How to Unclog a Sink, How to Unclog a Sink: step 1, image 2 of 3 How to Unclog a Sink, How to Unclog a Sink: step 1, image 3 of 3
    • Begin by filling the sink halfway full with water.

    • Pump the plunger rapidly for 30 seconds.

    • Do NOT break seal between plunger and drain.

    • Repeat this process 4 to 6 times.

    • Wait 20 min before proceeding to the next step. This will allow some debris to flow down the pipes.

  2. How to Unclog a Sink: step 2, image 1 of 2 How to Unclog a Sink: step 2, image 2 of 2
    • Place a bucket below the P-trap .

    • The curved white pipe is called the P-trap.

    • These next few steps may get a bit messy. Proceed with caution.

  3. How to Unclog a Sink: step 3, image 1 of 3 How to Unclog a Sink: step 3, image 2 of 3 How to Unclog a Sink: step 3, image 3 of 3
    • Carefully untwist slip nuts by hand.

    • If you are unable to remove by hand, use a slip joint plier to remove the slip nuts.

    • The nuts at the ends of the P-trap are called slip nuts.

  4. How to Unclog a Sink: step 4, image 1 of 3 How to Unclog a Sink: step 4, image 2 of 3 How to Unclog a Sink: step 4, image 3 of 3
    • Use a small wire brush to clean the P-trap.

    • You may want to clean the connecting pipes with the wire brush as well.

  5. How to Unclog a Sink: step 5, image 1 of 3 How to Unclog a Sink: step 5, image 2 of 3 How to Unclog a Sink: step 5, image 3 of 3
    • Carefully rinse the P-trap with hot water.

    • Do NOT rinse the P-trap in the sink you are working on because there is no connecting pipe to catch the water.

  6. How to Unclog a Sink: step 6, image 1 of 3 How to Unclog a Sink: step 6, image 2 of 3 How to Unclog a Sink: step 6, image 3 of 3
    • Reattach the P-trap.

  7. How to Unclog a Sink: step 7, image 1 of 3 How to Unclog a Sink: step 7, image 2 of 3 How to Unclog a Sink: step 7, image 3 of 3
    • Pour 1/2 cup of baking soda down the drain.

    • Pour 1/2 cup of distilled white vinegar down the drain.

    • Quickly cover the drain with a drain stopper.

    • This keeps the reaction in the pipes.

  8. How to Unclog a Sink: step 8, image 1 of 2 How to Unclog a Sink: step 8, image 2 of 2
    • As soon as the fizzing stops, pour another 1/2 cup of white distilled vinegar down the drain.

    • Cover again with a drain stopper.

    • Let the sink sit for 20 min.

  9. How to Unclog a Sink: step 9, image 1 of 3 How to Unclog a Sink: step 9, image 2 of 3 How to Unclog a Sink: step 9, image 3 of 3
    • Boil 1 gallon of water with a boiler.

    • The boiler will get hot. Handle with care.

    • Pour the boiling water down the sink to flush out any remaining debris.

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Daniel Sanchez

Member since: 09/29/15

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Cal Poly, Team 14-2, Green Fall 2015 Member of Cal Poly, Team 14-2, Green Fall 2015

CPSU-GREEN-F15S14G2

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