A dishwasher cleans your dishes every day, but over time, grease, food particles, mineral deposits, and unpleasant odors can build up inside the machine. Dishwasher cleaner is designed to remove this buildup and help keep your dishwasher fresh and efficient.
If you’re wondering how to use dishwasher cleaner, the process is usually quick and simple. Most dishwasher cleaners can be used without scrubbing or taking the appliance apart.
Read More: 6 Best Dishwashers of 2026: Top Picks for Cleaning, Quietness, Drying & Value
What Is Dishwasher Cleaner?
Dishwasher cleaner is a specially formulated cleaning product designed to clean the inside of a dishwasher. Unlike regular dish soap, it is made to break down grease, limescale, detergent residue, and other buildup that can accumulate in areas you may not easily reach.
Dishwasher cleaner is typically available as a liquid, tablet, powder, or bottle that can be placed directly inside the dishwasher.
How Often Should You Use Dishwasher Cleaner?
For most households, using dishwasher cleaner about once a month is a good starting point. If you use your dishwasher frequently, have hard water, or notice odors and residue, you may need to clean it more often.
Always check the instructions on your specific dishwasher cleaner, because recommended frequency and usage can vary by product.
How to Use Dishwasher Cleaner Step by Step
1. Empty the dishwasher
Remove all dishes, glasses, utensils, and other items from the dishwasher.
Dishwasher cleaner generally works best when the appliance is completely empty. You should also remove any large pieces of food or debris that may be sitting inside.
2. Check the dishwasher filter
Before running the cleaning cycle, inspect the dishwasher filter. Food particles can collect in the filter and contribute to odors or poor cleaning performance.
If your dishwasher has a removable filter, take it out according to the manufacturer’s instructions and rinse away loose debris.
3. Choose the correct dishwasher cleaner
Use a product specifically labeled for cleaning dishwashers. Follow the product’s instructions for the correct amount and placement.
Different types of dishwasher cleaners are used differently, so don’t assume that a tablet, liquid, and bottle-style cleaner all work the same way.
4. Place the cleaner inside the dishwasher
Depending on the product, you may need to:
- Place a dishwasher-cleaning tablet in the detergent compartment.
- Put a cleaning tablet or powder directly in the dishwasher.
- Place a dishwasher-cleaner bottle upside down in the lower rack.
- Pour the recommended amount of liquid cleaner into the machine.
Follow the directions printed on the product packaging for the exact placement.
5. Run an empty hot-water cycle
Close the dishwasher and select a normal or cleaning cycle that uses hot water.
Do not add dishes or regular dishwasher detergent unless the cleaner’s instructions specifically tell you to do so. The cleaning product needs to work through the machine without dishes getting in the way.
6. Let the cycle finish
Allow the dishwasher to complete the entire cycle. The hot water and cleaning solution will circulate through the spray arms, interior surfaces, drainage system, and other components during the cycle.
Once the cycle is finished, open the dishwasher and allow it to air out for a few minutes.
7. Wipe the inside if necessary
After the cleaning cycle, inspect the door, gasket, racks, and bottom of the dishwasher.
If you notice loosened residue or grime, wipe it away with a clean, damp cloth. Pay particular attention to the rubber door seal, where dirt and food particles can accumulate.
Can You Use Dishwasher Detergent With Dishwasher Cleaner?
Usually, you should not add regular dishwasher detergent unless the cleaner’s instructions specifically recommend it.
Dishwasher cleaner is formulated to clean the appliance itself, while dishwasher detergent is designed to clean dishes. Combining products unnecessarily can reduce the effectiveness of the cleaning cycle or create excessive suds.
When in doubt, follow the instructions provided with your dishwasher cleaner.
What Should You Clean Besides the Dishwasher Interior?
Using dishwasher cleaner is only one part of dishwasher maintenance. For better results, periodically check:
- The filter: Remove trapped food particles and debris.
- The spray arms: Check for blocked holes and rinse away buildup.
- The door gasket: Wipe away dirt and residue.
- The detergent dispenser: Remove accumulated detergent or grime.
- The bottom of the dishwasher: Clear away visible food particles and debris.
Always follow your dishwasher manufacturer’s instructions before removing or cleaning components.
How to Tell Your Dishwasher Needs Cleaning
Your dishwasher may benefit from a cleaning cycle if you notice:
- A musty or unpleasant smell
- Greasy or cloudy residue inside the appliance
- White mineral deposits
- Food particles collecting around the bottom
- Dishes coming out less clean than usual
- A dirty-looking filter or door seal
Regular cleaning can help prevent buildup before it becomes a bigger problem.
Common Mistakes to Avoid
Using regular dish soap
Do not substitute hand-washing dish soap for dishwasher detergent or dishwasher cleaner. Regular dish soap can create a large amount of foam and may cause problems for the appliance.
Overusing dishwasher cleaner
More cleaner does not necessarily mean better cleaning. Use the amount recommended on the product label.
Cleaning without checking the filter
A dishwasher-cleaning product can help remove buildup, but it doesn’t replace manually removing large food particles from the filter.
Mixing cleaning products
Avoid combining dishwasher cleaner with bleach, vinegar, or other cleaning chemicals unless the product and appliance manufacturers specifically say it is safe.
Ignoring the manufacturer’s instructions
Dishwashers vary by model, and cleaning products vary by formula. Your dishwasher manual and cleaner’s packaging should take priority over general advice.
Frequently Asked Questions
Do I put dishwasher cleaner in the detergent compartment?
It depends on the product. Some cleaners go into the detergent compartment, while others are placed directly inside the dishwasher. Always follow the cleaner’s instructions.
Should the dishwasher be empty when using cleaner?
Yes. In most cases, dishwasher cleaner should be used with an empty dishwasher so the cleaning solution can circulate throughout the appliance.
What temperature should I use?
A hot or normal cycle is commonly recommended, but the appropriate cycle depends on the specific cleaner. Check the product label before starting the machine.
Can I use dishwasher cleaner every week?
You generally don’t need to clean the dishwasher that frequently unless the product or appliance manufacturer recommends it. Monthly cleaning is a common starting point for routine maintenance.
Does dishwasher cleaner remove bad smells?
It can help remove grease, residue, mineral deposits, and buildup that contribute to unpleasant odors. However, persistent smells may also be caused by a dirty filter, blocked drain, or another appliance issue.
Final Thoughts
Learning how to use dishwasher cleaner is simple: empty the dishwasher, check and clean the filter, use the cleaner according to its instructions, run the recommended hot cycle, and wipe away any remaining residue.
For routine maintenance, cleaning the dishwasher about once a month and keeping the filter and seals free of debris can help keep the appliance fresh and performing properly.

