Limescale in Washing Machines, How to Prevent It and Remove It

by | Plumbing

Originally published: November 12, 2023
Last Updated: November 20, 2023

Reading time: 8.12 minutes

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Are you tired of dealing with limescale in your washing machine? Wondering how to prevent and remove it efficiently? Look no further!

In this article, we’ll explore the ins and outs of limescale in washing machines and provide practical tips and methods to tackle this pesky problem. Say goodbye to limescale troubles and keep your machine in top shape by following our expert advice.

Let’s dive in and learn how to prevent and remove limescale efficiently!

What causes limescale in a washing machine

Limescale in a washing machine is caused by the accumulation of calcium carbonate deposits over time. When hard water is used in the washing machine, the calcium and magnesium ions are form calcium carbonate.

This calcium carbonate then sticks to the internal parts of the machine, including the heating element, vents, filters, drum, and pipes. As more and more deposits build up, they can block the flow of water and reduce the machine’s efficiency.

Why you should remove limescale from your washing machine

Scaled washing machine heating elements

Removing limescale from your washing machine is essential to maintain its performance and prevent potential damage. Limescale, which is caused by the buildup of calcium carbonate deposits, can have detrimental effects on your machine. It can block vents, filters, and cause wear on the drum and pipes, leading to leaks and malfunctions. Moreover, limescale deposits on the heating element increase energy usage and electricity bills.

How to Remove Limescale in the Washing Machine

To remove limescale in your washing machine, you have several options.

Firstly, you can use descaling products specifically designed for this purpose.

Alternatively, you can try using white vinegar or lemon juice, which are natural alternatives.

If you prefer a more abrasive method, bicarbonate of soda can effectively scrub away limescale deposits.

1. Descaling products

Using descaling products is an effective way to remove limescale buildup in your washing machine. These products are specifically designed to prevent and remove limescale in the washing machine. They come in various forms such as powders, liquids, or tablets.

Examples of good descaling products include Calgon, Ecozone Tablets, and HG Descaler for Appliances. To use these descaling products, simply follow the instructions provided on the label for best results.

It’s important to note that while commercial descalers work effectively, they do contain chemicals. Therefore, it’s advisable to handle them with care.

Regular use of descaling products will help maintain the efficiency of your washing machine and extend its lifespan by preventing limescale buildup.

2. White vinegar or lemon juice

If you prefer a natural approach to removing limescale in your washing machine, white vinegar or lemon juice is an excellent choice. These highly acidic household ingredients are effective in cutting through tough limescale deposits. You can use them individually or combine them for increased effectiveness.

To descale your washing machine, start by ensuring it’s empty. Then, add 500 ml of white vinegar, lemon juice, or a 50/50 mixture to the detergent drawer and run a 60-degree cycle. Repeat the cycle without any cleaner.

For stubborn build-up in specific areas of the drum, fill a spray bottle with your cleaning solution and soak the limescale deposits. After 30 minutes, scrub with a stiff brush and rinse with clean water.

These natural methods will help you effectively remove limescale and descale your washing machine.

3. White vinegar and bicarbonate of soda

Start by emptying the washing machine and adding 500 ml of white vinegar to the detergent drawer. This highly acidic vinegar is effective in breaking down limescale build-up in your washing machine.

Here’s how to remove limescale using white vinegar and bicarbonate of soda:

  1. Place 100g of bicarbonate of soda into the drum. This will create a chemical reaction when combined with the vinegar, helping to remove dirt and grime.
  2. Run a 60-degree wash cycle to allow the vinegar and bicarbonate of soda to work their magic.
  3. Repeat the wash cycle without the descaler to ensure all traces of limescale are removed.

If you have stubborn limescale deposits, follow these additional steps:

  1. Fill a spray bottle with white vinegar and saturate the deposits.
  2. After 30 minutes, sprinkle bicarbonate of soda on top of the deposits.
  3. Use a stiff brush to scrub away the limescale until it’s completely removed.
  4. Rinse the drum thoroughly with clean water.

4. Bicarbonate of soda

To effectively remove limescale in your washing machine, combine white vinegar with bicarbonate of soda. While bicarbonate of soda isn’t acidic, it’s abrasive and can effectively scrub away limescale deposits. However, it’s best suited for minimal levels of build-up.

To use bicarbonate of soda, ensure that your washing machine is empty and add 100g of bicarbonate of soda to the machine drum. Then, run a 60-degree washing cycle. For best results, repeat the wash cycle without the bicarbonate of soda.

This method provides a natural and effective way to descale your machine without the use of commercial descalers. By incorporating bicarbonate of soda into your cleaning routine, you can maintain the efficiency and extend the lifespan of your washing machine.

Descaling Tips

To prevent limescale buildup in your washing machine, it’s important to regularly descale it. How often you should descale your machine depends on the hardness of your water and the frequency of use.

Generally, descaling every two to three months is recommended to maintain optimal performance and prevent limescale-related issues.

How often should you descale your washing machine

Cleaning washing machine door seal

You should descale your washing machine every other month to prevent limescale build-up and ensure optimal performance. Regular descaling helps remove limescale deposits and prevents them from thickening and clogging essential parts of your washing machine.

Here are three reasons why descaling every other month is crucial:

  1. Prevents limescale build-up: Descaling your washing machine regularly prevents limescale from accumulating and causing damage to the heating element, vents, filters, and other vital components.
  2. Ensures optimal performance: Limescale can reduce the efficiency of your washing machine, leading to longer wash cycles and increased energy consumption. Regular descaling helps maintain the machine’s performance and efficiency.
  3. Extends the lifespan of your machine: By removing limescale deposits, you minimise damage and prolong the lifespan of your washing machine, saving you from costly repairs or replacement.

To prevent limescale and maintain your washing machine’s performance, descale it every other month.

How to prevent limescale in a washing machine

Regular descaling is essential for preventing limescale build-up and maintaining optimal performance in your washing machine.

To prevent limescale, there are a few key tips you can follow.

  • Firstly, use a water softener or soda crystals during each wash to neutralise minerals in the water.
  • Additionally, installing a water-softening device can help remove minerals from the water supply.
  • Another option is to install an anti-limescale magnet in your washing machine.
  • It’s also important to regularly clean the detergent drawer and rubber seal to prevent limescale build-up.
  • Running regular maintenance washes with descaling agents is also recommended.
  • Lastly, reduce detergent usage as per the manufacturer’s recommendations and consider installing a water filter or water softening system.

Frequently asked questions

What is the best limescale remover for washing machines

For optimal limescale removal from your washing machine, consider using a highly acidic cleaner with proven effectiveness. Here are three of the best limescale removers for washing machines:

  1. Ecozone Tablets: These commercial descalers come in tablet form and are specifically designed to tackle tough limescale. Follow the instructions on the label for best results.
  2. Calgon: These tablets go in every wash and work to keep your washing machine working efficiently
  3. HG Liquid Descaler: This liquid descaler is a powerful solution for removing limescale. It’s designed to dissolve and remove stubborn limescale deposits, ensuring optimal performance of your washing machine.

Using these recommended limescale removers will help prevent and remove limescale buildup in your washing machine, allowing it to function at its best and prolonging its lifespan.

Can limescale break a washing machine?

If not addressed promptly, limescale build-up can potentially damage your washing machine. Limescale, which is primarily made up of calcium carbonate deposits, can break your washing machine in several ways.

Firstly, limescale can block vents, filters, and cause wear on the drum and pipes, leading to leaks and machine malfunction. This can result in reduced cleaning efficiency, increased energy consumption, and a shortened lifespan of the machine.

Additionally, limescale deposits on the heating element will increase energy usage and ultimately lead to the element burning out earlier than it otherwise would have done.

Taking preventive measures such as using water softeners, cleaning the detergent drawer, and running maintenance washes can also help prevent limescale build-up and potential damage to your washing machine.

How can limescale affect my laundry?

Water hardness can be compared to a stubborn stain that interferes with the effectiveness of your washing detergent. When you wash with hard water, the presence of certain ingredients in detergents helps to soften the water, allowing the detergent to properly tackle the actual stains. Therefore, if you reside in an area with hard water, you’ll need to use more detergent in order to soften the water. Living in a hard water area can lead to various common laundry problems, such as dingy whites or garments with a grey or yellow tint, fabrics feeling stiff and rough, accumulation of soil on clothes, white or grey streaks appearing on coloured and dark garments, and weakened fibres that are prone to tearing.

Conclusion

In conclusion, limescale buildup in washing machines can be a persistent problem, but with the right techniques and products, it can be effectively prevented and removed.

Regular descaling, using natural remedies like white vinegar or lemon juice, and employing commercial descalers are all effective methods.

By following these preventive measures and proper maintenance practices, you can ensure a well-functioning washing machine and say goodbye to limescale troubles.

If you have any questions feel free to ask in the comments below!

Disclaimer

plumbinghub.info is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com, amazon.co.uk, amazon.ca or amazon.it.

About Nick Jolliffe

With over two decades of experience in the Plumbing and Heating industry, Nick has become a trusted expert in the field. He has developed an impressive product knowledge across all aspects of plumbing and heating, including renewables, making him the go-to person for advice and product recommendations for any plumbing application. Whether you're a tradesperson or a DIY consumer, you can trust Nick to provide you with the right solution for your plumbing needs.

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