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Sos: calcium deposits clogging your dishwasher? here’s how to dissolve them

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er,...

What To Know

  • Once the calcium deposits have been removed, wipe down the interior of the dishwasher with a soft cloth or sponge to remove any residue.
  • Installing a water softener can greatly reduce the amount of calcium in your water, preventing the formation of deposits in the dishwasher and other appliances.
  • If you notice calcium deposits on your dishes after running a cleaning cycle, it could indicate that the deposits are in the water supply or that your dishwasher isn’t cleaning properly.

Calcium deposits, those pesky white or gray buildups inside your dishwasher, are a common problem in hard water areas. They can not only make your dishes look less than spotless but also affect the performance and lifespan of your appliance. But fear not, for this comprehensive guide will equip you with all the knowledge and techniques you need to effectively clean dishwasher of calcium deposits and restore its pristine condition.

Understanding Calcium Deposits

Calcium deposits are primarily caused by the presence of dissolved calcium carbonate in water. When water evaporates during the dishwasher’s cycle, the calcium carbonate precipitates out and adheres to the dishwasher’s surfaces. These deposits can accumulate over time, forming unsightly buildups and potentially clogging components.

Step-by-Step Cleaning Process

1. Gather Necessary Supplies

  • White vinegar
  • Baking soda
  • Dishwasher cleaner (optional)
  • Soft cloths or sponges
  • Toothbrush (optional)

2. Clear Out the Dishwasher

Remove all dishes, silverware, and racks from the dishwasher.

3. Run Empty Cycle with Vinegar

Pour 2 cups of white vinegar into the bottom of the empty dishwasher. Run a hot water cycle without detergent. The vinegar will help dissolve the calcium deposits.

4. Sprinkle Baking Soda

After the vinegar cycle, sprinkle 1 cup of baking soda on the bottom of the dishwasher. Run a short hot water cycle to dissolve the baking soda.

5. Use Dishwasher Cleaner (Optional)

If desired, you can use a commercial dishwasher cleaner instead of vinegar and baking soda. Follow the instructions on the product label.

6. Scrub Stubborn Deposits

For particularly stubborn deposits, use a soft cloth or sponge dampened with vinegar or a commercial cleaner to gently scrub the affected areas. You can also use a toothbrush to reach tight corners.

7. Wipe Down Interior

Once the calcium deposits have been removed, wipe down the interior of the dishwasher with a soft cloth or sponge to remove any residue.

Preventive Measures

1. Use a Water Softener

Installing a water softener can greatly reduce the amount of calcium in your water, preventing the formation of deposits in the dishwasher and other appliances.

2. Clean Regularly

Regular cleaning of your dishwasher is essential to prevent calcium buildup. Run an empty cleaning cycle with vinegar or dishwasher cleaner every month or two.

3. Avoid Using Hard Detergents

Harsh detergents can contribute to calcium buildup. Opt for mild detergents specifically designed for hard water areas.

Troubleshooting Common Problems

Dishwasher Not Draining Properly

Clogged drains can prevent water from circulating properly, leading to calcium buildup. Check and clean the drain filter regularly.

Water Not Heating Up

If the water in your dishwasher isn‘t heating up, it won’t be able to dissolve calcium deposits effectively. Check the heating element and thermostat for any issues.

Calcium Deposits on Dishes

If you notice calcium deposits on your dishes after running a cleaning cycle, it could indicate that the deposits are in the water supply or that your dishwasher isn‘t cleaning properly. Try using a different detergent or installing a water softener.

Beyond the Conclusion: Embracing a Dishwasher Free of Calcium Deposits

With these cleaning techniques and preventive measures, you can effectively clean dishwasher of calcium deposits and maintain its optimal performance. A clean dishwasher not only ensures sparkling dishes but also extends the life of your appliance. Remember, a little TLC can go a long way in keeping your dishwasher running smoothly for years to come.

Questions We Hear a Lot

1. Can I use lemon juice instead of vinegar?

Yes, lemon juice can also be used to dissolve calcium deposits. However, it may be less effective than vinegar.

2. How often should I clean my dishwasher?

It depends on the hardness of your water. If you have hard water, you should clean your dishwasher every month or two. If you have soft water, you can clean it less frequently.

3. Can calcium deposits damage my dishwasher?

Yes, calcium deposits can clog components and affect the overall performance of your dishwasher. Regular cleaning is essential to prevent damage.

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Rob Sanders

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er, Rob takes pride in testing out the latest tools and gadgets to see how they can make home projects easier. When it comes to heating systems, he's evaluated over 50 different furnace and boiler models over the years. Rob founded Nurturing Homeaid with his business partner Jim in 2020 to provide homeowners with genuine product recommendations they can trust. In his free time, Rob enjoys remodeling old homes with his family and traveling to visit architectural landmarks across the country. He holds a bachelor's degree in Journalism from Syracuse University.
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