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Writer's pictureViva Plumbing

How to Avoid a Blocked Kitchen Sink (And What to Do If It Happens)



Your kitchen sink is one of the most heavily used fixtures in your home. From washing dishes to prepping food, it sees a lot of action every day. But with all that use comes the potential for blockages—something nobody wants to deal with. Luckily, with a few simple practices, you can avoid the hassle of a blocked kitchen sink. And if you do find yourself with a clogged drain, knowing what to do can save you time, money, and frustration.


Tips to Avoid a Blocked Kitchen Sink

  1. Watch What Goes Down the Drain The most common cause of kitchen sink blockages is food waste. While it may be tempting to rinse everything down the drain, some items should never make their way into your pipes. Avoid putting fats, oils, and grease (often referred to as FOG) down the drain as they can solidify and create stubborn blockages. Also, be cautious with fibrous foods like celery, potato peels, and coffee grounds, which can tangle and cause clogs.

  2. Use a Sink Strainer A simple and effective tool to prevent blockages is a sink strainer. This handy device catches food particles and debris, preventing them from going down the drain. Just make sure to empty the strainer regularly to keep it working effectively.

  3. Run Hot Water After using your sink, especially after washing greasy dishes, run hot water down the drain for a minute or two. This helps dissolve any fats or oils that may have gone down the drain and prevents them from solidifying and causing blockages.

  4. Dispose of Cooking Grease Properly Instead of pouring grease down the drain, let it cool and solidify, then scrape it into the bin. This simple step can significantly reduce the risk of a blocked sink.

  5. Be Careful with Soap Scum Over time, soap residue can build up in your pipes and contribute to blockages. Consider using a liquid soap that dissolves more easily, and periodically flush your drain with hot water and baking soda to keep it clear.

What to Do If Your Kitchen Sink Blocks

Even with the best prevention methods, blockages can still happen. Here’s what to do if you find your kitchen sink isn’t draining as it should:

  1. Try Boiling Water Sometimes, a simple blockage can be cleared with boiling water. Carefully pour a kettle of boiling water down the drain in stages, allowing it to work through the blockage. This is often effective for minor clogs caused by grease or soap scum.

  2. Use a Plunger If boiling water doesn’t do the trick, grab a plunger. Place it over the drain, ensuring it forms a tight seal. For a single sink, block the overflow hole if there is one, and if you have a double sink, block the other drain to create better suction. Plunge vigorously several times to help dislodge the blockage.

  3. Baking Soda and Vinegar This classic combination can work wonders on a blocked drain. Pour half a cup of baking soda down the drain, followed by half a cup of vinegar. Cover the drain and let the mixture fizz and work its magic for about 15 minutes, then flush with hot water.

  4. Chemical Drain Cleaners Products like Draino can be useful, but it’s important to know that they’re mainly caustic soda and won’t dissolve hair or highly fibrous materials. They can help break down grease and soap scum, but for tougher blockages, you may need a more hands-on approach.

  5. Check the P-Trap If the blockage persists, it might be in the P-trap—the curved pipe beneath your sink. Place a bucket underneath, unscrew the trap, and clear out any debris. Be cautious, as there may be water or other materials inside.

  6. Call a Professional If all else fails, it’s time to call in the professionals. Persistent or severe blockages can indicate a deeper issue within your plumbing system that requires expert attention.

In Conclusion...

Preventing a blocked kitchen sink is all about mindful usage and regular maintenance. By being cautious about what goes down your drain and taking a few preventative measures, you can keep your kitchen sink in top shape. However, if you do encounter a blockage, knowing the right steps to take can save you from a major plumbing headache. And remember, if you’re ever in doubt, don’t hesitate to call the team at Viva Plumbing to help get your kitchen sink back in working order.

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