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How Do You Clean a Slow Sink?

Published in Plumbing Maintenance 2 mins read

To clean a slow-draining sink, use a combination of baking soda, vinegar, and boiling water.

Here's a step-by-step guide:

  1. Pour 1/2 cup of baking soda down the drain. Ensure most of it goes directly into the drain opening.

  2. Follow with 1/2 cup of white vinegar. The mixture will likely fizz and bubble - this is normal.

  3. Let the mixture sit for 25-30 minutes. This allows the baking soda and vinegar to react and break down the clog. Do not rinse during this time.

  4. Pour a kettle of boiling water down the drain. The hot water helps to flush away the loosened debris. Be careful when handling boiling water to avoid burns.

  5. Repeat if necessary. If the sink is still draining slowly, repeat the process. For stubborn clogs, you may need to use a plunger or plumbing snake after this process.

Why This Works:

  • Baking Soda: A mild alkali that helps to dissolve grease and grime.
  • Vinegar: A mild acid that reacts with baking soda to create carbon dioxide, which helps to dislodge the clog.
  • Boiling Water: Helps to melt and flush away the loosened blockage.

Important Considerations:

  • Safety: Always exercise caution when using boiling water to avoid burns.
  • Pipe Material: This method is generally safe for most pipes, but avoid using boiling water if you have PVC pipes, as excessive heat can damage them. Use very hot tap water instead.

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