Troubleshooting a Kitchen Sink That Won't Drain
Is your kitchen sink refusing to drain? You're not alone. Clogged kitchen sinks are a common plumbing issue that can be caused by a variety of factors. Before you reach for the phone to call a plumber, try these troubleshooting steps to potentially solve the problem yourself.
Understand the Causes of a Clogged Sink
Before we dive into the solutions, it's important to understand why your sink might be clogged. Common culprits include:
- Food waste and grease
- Soap scum and mineral deposits
- Rust and corrosion
- Broken or misaligned pipes
Initial Steps to Unclog Your Sink
Before you start, put on a pair of rubber gloves to protect your hands. Then, try these initial steps:

Plunge the Sink
Using a standard toilet plunger, create a tight seal over the drain. Pump the plunger up and down vigorously to create suction. This can often dislodge minor clogs.
Use Boiling Water
If plunging doesn't work, pour a pot of boiling water down the drain. This can help to melt away grease and soap scum. Be careful not to pour too much at once to avoid injury.
Natural Drain Cleaners
Chemical drain cleaners can be harsh and damaging to your pipes. Instead, try these natural alternatives:

Baking Soda and Vinegar
Pour 1/2 cup of baking soda into the drain, followed by 1/2 cup of white vinegar. The mixture will bubble up, indicating it's working to break down the clog. Let it sit for 30 minutes, then pour boiling water down the drain.
Baking Soda and Salt
Mix 1/2 cup of baking soda with 1/2 cup of table salt. Pour the mixture into the drain and let it sit for 15-30 minutes. Then, pour boiling water down the drain.
When to Use a Drain Snake
If natural methods aren't working, it might be time to use a drain snake. This tool can physically remove clogs from your pipes. Here's how to use one:
Insert the Snake
Insert the drain snake into the drain and push it down until you feel resistance. This is likely the clog. Continue to push the snake through the clog, then pull it back out.
Clean the Snake
Once you've removed the clog, clean the drain snake thoroughly to avoid spreading bacteria.
When to Call a Professional
If none of these methods work, it's time to call a professional plumber. They have the tools and expertise to handle more complex issues, such as broken pipes or severe clogs.
Preventing Future Clogs
To prevent future sink clogs, consider these tips:
| Don't | Do |
|---|---|
| Pour grease down the drain | Wipe grease into the trash or let it solidify before throwing it away |
| Put large food scraps down the drain | Use a strainer to catch food scraps |
| Ignore slow draining | Address slow draining promptly to prevent a full clog |
Regularly cleaning your sink and being mindful of what you put down the drain can help prevent clogs and keep your kitchen plumbing in good working order.