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How to Remove Limescale from Your Appliances?


Limescale, the white, chalky residue that often plagues household appliances, is a common sight in areas with hard water, such as many regions across the UK. Not only is it unsightly, but it can also impair the efficiency and lifespan of your appliances. Fortunately, to remove limescale is easier than it might seem.

With some simple, household ingredients and a bit of elbow grease, you can restore your appliances to their former glory. Here’s your ultimate guide to descaling and maintaining your home appliances.


Understanding Limescale

Limescale forms when water with a high mineral content, specifically calcium and magnesium, evaporates and leaves behind deposits. This is particularly prevalent in kettles, boilers, dishwashers, and washing machines. Over time, these deposits build up, reducing the effectiveness of your appliances and increasing energy consumption.


Remove Limescale from Your Kettle with Vinegar or Lemon Juice

How to Remove Limescale from Your Appliances-Merci-Cleaning-London-2


The kettle is one of the most commonly affected appliances, given its frequent use and direct contact with water. To tackle limescale, you can use a simple vinegar solution:

  • Mix equal parts of water and white vinegar. Fill the kettle about halfway with the solution.
  • Boil the kettle, then turn it off and allow the solution to sit for at least 30 minutes. If the limescale is severe, leave it to soak overnight.
  • Pour out the vinegar solution and rinse the kettle thoroughly. You may need to boil fresh water in the kettle a couple of times and discard it to ensure all vinegar taste and smell are gone.


An alternative to vinegar is lemon juice, which works similarly but leaves a fresher scent:

  • Fill the kettle with water and add a generous amount of lemon juice.
  • Boil the mixture, then let it stand for an hour.
  • Empty and rinse your kettle. Again, boiling clean water subsequently helps remove any lingering lemon taste.


Washing Machine and Dishwasher Maintenance

Both these appliances are essential and expensive, so regular maintenance is key to avoiding limescale build-up.

  • Use a specialised dishwasher cleaner or washing machine cleaner that includes limescale removal properties. These are typically added to an empty machine and run on a hot cycle.
  • For a natural approach, place a cup of white vinegar in the appliance and run a hot cycle. Alternatively, you can use citric acid in a similar manner.

You may also like: How to use and clean your dishwashing machine?


How to Remove Limescale from Your Coffee Maker?

Coffee makers can also suffer from limescale deposits, which can affect the taste of your coffee and the machine’s performance.

  • Prepare a descaling solution by mixing equal parts of water and white vinegar.
  • Run this solution through your coffee maker as if brewing a pot of coffee.
  • Follow up by running just water through the system at least twice to rinse any residual vinegar.


Remove Limescale in Water Heaters and Boilers

How to Remove Limescale from Your Appliances-Merci-Cleaning-London-2


Descaling water heaters and boilers is more complex and may require professional assistance, especially if the build-up is substantial. However, for minor maintenance:

  • Consult your heater’s manual for specific instructions on adding descaling agents directly to the water supply.
  • Schedule regular maintenance with a professional to ensure optimal functionality and safety.

You may also like: How to remove hard water stains in the bathroom


Preventing Limescale Build-Up

Prevention is always better than cure. Here are a few tips to help prevent limescale from forming in the first place:

  • Use water softeners in your water system to reduce mineral content.
  • Regularly clean and maintain your appliances even before visible limescale deposits appear.
  • Consider installing a whole-home or inline water filter to minimise the hardness of the water entering your appliances.



Regular descaling of your appliances not only extends their lifespan but also ensures they operate at peak efficiency. By using the methods outlined above, you can prevent the negative effects of limescale and enjoy the benefits of cleaner, more efficient appliances. 

In the meantime, if home cleaning is not your cup of tea you can always delegate that task to a professional home cleaner. Feel free to contact us and request a cleaning quote. You can find more info about our cleaning services at Merci Cleaning London or on our official Facebook page. 

You may also like: 5 reasons for hiring a professional house cleaner


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