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If the flush fails, the clog is likely lodged in the P-trap. Confirm your bucket is in position. The P-trap is held by two large slip nuts. Grip one nut with channel-lock pliers or an adjustable wrench and turn it counter-clockwise to loosen. A slight turn is usually enough to then unscrew it by hand. Repeat for the other nut. Gently lower the trap and empty its contents into the bucket. Take the trap to another sink or use a hose outside to clean it thoroughly with a bottle brush and hot, soapy water. Scrape out all grease and grime.

You're viewing a step from: How to Clear a Grease-Clogged Kitchen Drain

Beginner

30 minutes

2/4 Inventory

This guide provides instructions to clear a grease-clogged kitchen drain using a combination of hot water, degreasing agents, and mechanical methods like removing and cleaning the P-trap and using a drain snake for deeper clogs.

Based on content fromThe Plumbers Plunger· 187K subscribers

Frequently Asked Questions

How long should I expect this project to take, and what's the estimated cost if I need to buy some of the tools?

For a beginner, clearing a grease clog typically takes 1-2 hours. If you need to purchase essential tools like a drain snake and pliers, expect an initial investment of approximately $50-$100, plus the cost of degreasing soap and gloves.

What are the most crucial safety precautions for this project, especially when dealing with greasy clogs?

Always wear heavy-duty latex gloves to protect your hands from grease and dirty water. Ensure your workspace is well-ventilated, and have plenty of old rags and paper towels ready for spills. Never mix different chemical drain cleaners, as this can create dangerous fumes.

Are there any alternative tools I can use if I don't have specialty items like the specified V-jaw pliers or a specific drain brush?

While specific tools make the job easier, you can often substitute. Any adjustable wrench or standard tongue-and-groove pliers can work for the P-trap nuts. For cleaning inside the P-trap, an old toothbrush or bottle brush can be used if a specialty drain brush isn't available. A sturdy bucket is essential for catching water.

I cleaned my P-trap, but the drain is still slow. What should I do next?

If cleaning the P-trap doesn't fully resolve the clog, it indicates the grease blockage is further down the drain line. Your next step should be to use the drain snake (auger) to reach and break up the obstruction deeper in the pipe. Make sure to feed it slowly and retract it carefully.