How To Unclog Dishwasher Drain

Dishwashers are a convenient appliance for cleaning dishes, but they can quickly become a headache when they start to clog. In this article, we will discuss how to unclog dishwasher drain and prevent future clogs.

How Do You Know if Your Dishwasher Drain is Clogged?

If your dishwasher is not draining correctly, it could be a sign of a clogged drain. You may notice standing water in the bottom of your dishwasher, unusual sounds during the draining process, or a foul odor coming from your dishwasher.

What Causes a Dishwasher Drain to Clog?

A dishwasher drain can become clogged due to a variety of reasons. The most common culprits are food particles, soap scum, and grease buildup. Over time, these materials can accumulate and create a blockage in the dishwasher’s drain.

How to Unclog Dishwasher Drain Using Baking Soda and Vinegar

One effective method to unclog a dishwasher drain is to use baking soda and vinegar. Start by removing any standing water from your dishwasher. Then, pour a cup of baking soda down the drain followed by a cup of vinegar. Let the mixture sit for 15-20 minutes before running hot water down the drain.

How to Unclog Dishwasher Drain Using a Plunger

If the baking soda and vinegar method does not work, you can try using a plunger to unclog your dishwasher drain. Fill the sink with enough water to cover the plunger’s cup, place the plunger over the drain, and pump up and down rapidly. Repeat this process until the water begins to drain correctly.

How to Unclog Dishwasher Drain Using a Drain Snake

For more severe clogs, you may need to use a drain snake to clear the blockage. Insert the drain snake into the dishwasher drain and twist it until you feel resistance. Then, pull the snake out and remove any debris that may be attached.

How to Prevent Future Dishwasher Drain Clogs

To prevent future clogs, make sure to rinse your dishes thoroughly before loading them into the dishwasher. Additionally, clean your dishwasher’s filter regularly and avoid using too much detergent or dish soap.


1. Can You Use Drain Cleaner in a Dishwasher?

No, it is not recommended to use drain cleaner in a dishwasher as it can damage the appliance’s interior and contaminate your dishes.

2. How Often Should You Clean Your Dishwasher Drain?

It is recommended to clean your dishwasher drain every month to prevent clogs and maintain the appliance’s longevity.

3. What Happens if You Don’t Unclog Your Dishwasher Drain?

If you don’t unclog your dishwasher drain, it can lead to more significant problems such as leaks, mold growth, and damage to the dishwasher’s interior.


Knowing how to unclog dishwasher drain can save you time and money in the long run. By following the methods and tips mentioned in this article, you can keep your dishwasher running smoothly and prevent future clogs. Remember to clean your dishwasher’s filter regularly and rinse your dishes thoroughly before loading them into the appliance.