How to unclog a double sink?

Dealing with a clogged double sink can be a frustrating experience, disrupting daily kitchen activities. However, with the right strategies and a bit of know-how, you can easily unclog a double sink and restore normal drainage. In this comprehensive guide, we’ll explore various effective methods to address this common household issue, ensuring you can tackle the problem with confidence.

Unclogging a double sink

When faced with a double sink blockage, it’s essential to understand the nature of the clog. Here’s a primary method you can employ to effectively unclog your double sink:

Plunger power: basic yet effective

  1. Select a plunger:
    • Choose a plunger with a flat bottom to ensure a strong seal.
  2. Seal one drain:
    • Cover one drain with a wet cloth or stopper, creating a vacuum.
  3. Plunge the other drain:
    • Vigorously plunge the open drain to dislodge the clog.
  4. Repeat on the other side:
    • Seal the previously open drain and plunge the other side.
  5. Test with water:
    • Run water to check if the clog is successfully cleared.

Common causes and solutions

Understanding the common causes of double sink clogs allows for targeted solutions. Here are effective methods for specific issues:

Grease buildup: hot water and dish soap

  1. Boiling water method:
    • Boil a kettle of water and pour it down the clogged drain.
    • Follow with a squirt of dish soap.
    • Allow it to sit for a few minutes before flushing with hot water.

Food residue: baking soda and vinegar (H3)

  1. Baking soda and vinegar reaction:
    • Pour a cup of baking soda down the drain.
    • Follow with a cup of vinegar.
    • Let the mixture sit for 15 minutes before flushing with hot water.

Preventive measures and maintenance

Taking preventive measures can help avoid future clogs and ensure smooth drainage. Here are some practical tips:

Avoid excessive food debris

  1. Scrape plates before washing:
    • Scrape off excess food into the trash before washing dishes.

Use sink strainers

  1. Install Strainers:
    • Place strainers over each drain to catch food particles and debris.


In conclusion, unclogging a double sink is a task that can be managed effectively with the right approach. Whether you choose the plunger method, opt for natural solutions like baking soda and vinegar, or adopt preventive measures, maintaining clear drains is essential for a functional kitchen. For persistent clogs or more complicated issues, consider seeking professional assistance. Armed with these practical and efficient techniques, you can confidently tackle double sink clogs and keep your kitchen running smoothly.