How do I unclog a kitchen sink drain?

Start with hot water and dish soap - pour a large pot of boiling water down the drain, followed by a few tablespoons of dish soap, then another pot of hot water. This often dissolves grease buildup that's causing the clog.

If that doesn't work, try the baking soda and vinegar method. Pour half a cup of baking soda down the drain, followed by half a cup of white vinegar. Cover the drain with a plug or wet cloth for 15 minutes, then flush with hot water. The chemical reaction can break up organic matter and soap scum.

For stubborn clogs, you may need to use a plunger or remove the P-trap. A cup plunger (not a flange plunger) can create pressure to dislodge blockages. If you're comfortable with basic plumbing, you can place a bucket under the P-trap (the curved pipe under the sink), unscrew the slip nuts, and clean out any debris. Always turn off the water supply first and have towels ready.

Avoid chemical drain cleaners in kitchen sinks, especially if you have a garbage disposal or older pipes. These harsh chemicals can damage your plumbing and are particularly problematic in Ottawa's older homes with cast iron or galvanized pipes. They're also ineffective against grease clogs, which are the most common kitchen sink blockages.

Prevention is key - never pour grease or oil down the drain, use a mesh strainer to catch food particles, and run hot water after each use. In Ottawa's hard water conditions, mineral buildup can make clogs worse, so monthly hot water flushes help maintain clear drains.

If these methods don't resolve the issue, or if you're dealing with recurring clogs, it's time to call a professional. The blockage might be deeper in your drain line or indicate a more serious plumbing issue that requires camera inspection and professional drain cleaning equipment.

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