drain cleaning

How to Fix a Slow Draining Sink: A Step-by-Step Guide from Donnie’s Plumbing in Murrieta, CA

How to Fix a Slow Draining Sink: A Step-by-Step Guide from Donnie’s Plumbing in Murrieta, CA

At Donnie’s Plumbing, we know how frustrating a slow draining sink can be. It can disrupt your daily routine and often signals a deeper plumbing issue. Fortunately, fixing a slow drain is usually straightforward and something you can handle yourself. In this blog, we’ll walk you through the steps to troubleshoot and fix a slow draining sink. Follow these tips to restore your sink’s flow.

Step 1: Identify the Cause

Common causes of slow drains include:

  • Hair and Soap Scum: These can accumulate over time and block the flow.
  • Grease Buildup: Particularly in kitchen sinks, grease can solidify and restrict water movement.
  • Foreign Objects: Small items accidentally dropped into the drain can cause blockages.

Step 2: Gather Your Tools

You’ll need:

  • Plunger
  • Drain Snake or Zip-It Tool
  • Baking Soda and Vinegar
  • Boiling Water
  • Bucket and Towels

Step 3: Try the Boiling Water Method

  • Boil a Kettle of Water: Pour boiling water directly into the drain in stages, allowing it to work through the blockage.
  • Repeat: Do this two to three times. This can help dissolve soap scum and grease.

Step 4: Use a Plunger

  • Fill the Sink Partially with Water: Enough to cover the plunger’s cup.
  • Position the Plunger: Place the plunger over the drain and ensure a good seal.
  • Plunge Vigorously: Push and pull the plunger rapidly for about 30 seconds, then check the flow.

Step 5: Use Baking Soda and Vinegar

  • Pour Baking Soda: Pour 1/2 cup of baking soda down the drain.
  • Add Vinegar: Follow with 1/2 cup of vinegar. Let it fizz and work through the clog for about 15 minutes.
  • Flush with Boiling Water: Pour boiling water down the drain to clear the mixture and the loosened debris.

Step 6: Use a Drain Snake or Zip-It Tool

  • Insert the Tool: Push the drain snake or Zip-It tool into the drain.
  • Twist and Pull: Twist the tool to catch hair and debris, then pull it out.
  • Repeat: Repeat this process until the blockage is cleared.

Step 7: Clean the P-Trap

If the sink is still slow:

  • Place a Bucket Under the P-Trap: The P-trap is the U-shaped pipe under the sink.
  • Remove the P-Trap: Unscrew the connectors and remove the trap. Clean it out thoroughly.
  • Reassemble and Test: Put the P-Trap back and run water to see if the drain is clear.

Preventative Tips

  • Use Drain Covers: Prevent hair and large debris from entering the drain.
  • Avoid Pouring Grease: Dispose of grease in the trash, not the sink.
  • Regular Maintenance: Flush your drains with boiling water or a baking soda and vinegar solution monthly.


By following these steps, you can usually fix a slow draining sink yourself. If the problem persists or if you’re unsure about any step, don’t hesitate to call Donnie’s Plumbing. We’re here to help!

Share Your Tips!

Have you dealt with a slow draining sink before? Share your tips and experiences in the comments below! Your insights can help others tackle this common household issue. And don’t forget to share this blog with friends and family who might find it useful.

At Donnie’s Plumbing in Murrieta, CA, we’re committed to providing you with the best plumbing tips and services. If you need professional assistance, give us a call today at (954)636-0085 or visit our website at http://www.murrietaplumbing24seven.com. And for more helpful blog posts visit http://donnietheplumber.com/blog

Leave a Comment

Your email address will not be published. Required fields are marked *