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If the P-trap was clear, the blockage is further down the line. With the P-trap removed, insert the end of a drain snake (or auger) into the drainpipe that goes into the wall (the trap arm). Push the snake into the pipe until you feel resistance. Lock the cable in place and slowly turn the crank clockwise. This rotational motion will either break up the clog or allow the corkscrew tip to grab onto it. Continue to push forward and rotate. If you grab the clog, pull the snake back out slowly, cleaning the cable with a rag as you go. Repeat until the pipe is clear.

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

Beginner

30 minutes

2/4 Inventory

A comprehensive guide to clearing a kitchen sink drain clogged with grease. This process starts with simple home remedies like boiling water and a baking soda/vinegar solution, then progresses to more involved mechanical methods such as using a plunger, manually cleaning the P-trap, and finally employing a drain snake for deeper blockages. The instructions are tailored for a completely blocked double kitchen sink with a garbage disposal.

Based on content fromThe Plumbers Plunger· 201K subscribers

Frequently Asked Questions

What if the boiling water and baking soda solution doesn't completely clear the grease clog in my double kitchen sink?

If initial home remedies fail, it's time to move to mechanical methods. For a double sink, start by plunging the drain that is experiencing the clog, ensuring the other side is sealed off with a stopper. If that doesn't work, proceed to disassembling and cleaning the P-trap, as grease often accumulates there before deeper blockages.

Is it safe to use chemical drain cleaners for a grease clog, especially with a garbage disposal present?

It's strongly advised against using chemical drain cleaners, especially with a garbage disposal. They can corrode pipes, damage the disposal's components, and create hazardous fumes or splash-back. This guide focuses on safer, more effective mechanical methods for clearing grease clogs.

What specific safety precautions should I take when working under my kitchen sink to clear a drain?

Always wear protective eyewear and waterproof gloves to shield against dirty water or potential splashes. Ensure the work area is well-lit and place a bucket directly under the P-trap before loosening any pipes to catch residual water and debris. Critically, disconnect power to the garbage disposal at the breaker before working on it or any connected pipes.

How difficult is this project for a beginner, and how much time should I expect it to take?

This project is rated as 'beginner' difficulty. While it involves several steps and some specific tools, each action is straightforward. Expect to spend 1-3 hours, depending on the severity and location of the clog and your comfort level with basic plumbing tasks, assuming you have most tools on hand.