The Best Washing Machine Cleaner 2021

Limescale, dirt accumulation and bad odours are signs that your washing machine needs to be cleaned. The best way of dealing with the issues is to use a washing machine cleaner, which is simply placed inside the drum or detergent tank.

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Best Washing Machine Cleaner
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The best washing machine cleaner is the Calgon Power Tabs, which are designed to be used with every wash. They aim to provide unbeatable limescale protection, long lasting freshness and prevent the build-up of dirt.

Washing Machine Cleaner Comparison

Washing Machine CleanerUsageFrequency
Calgon Power TabsTablet into Detergent TankEach Wash
Dr Beckmann Service-ItPowder into Drum3 Months or 40 Wash Cycles
Dettol Anti BacterialLiquid into Detergent Tank2 Months
Pro-Kleen Cleaner & DescalerLiquid into Detergent Tank2 to 3 Months
HG Service EngineerPowder into Drum2 to 3 Months
Ecozone Cleaner & DescalerTablet into Drum2 Months

Not only do the cleaners keep your machine hygienic but it also improves efficiency. This is due to the cleaners tackling dirt and limescale that can accumulate upon the internal pipes or other components of the machine.

Below is a list of the best washing machine cleaners that prevent limescale, dirt build-up and bad odours.

The Best Washing Machine Cleaner

1. Calgon Power Tabs Washing Machine Cleaner

By far the most popular washing machine cleaner are the Calgon Power Tabs. According to the brand, they are designed to provide unbeatable protection against limescale and help prolong the life of your washing machine.

In terms of using the cleaner, simply add the Power Tabs in with your usual detergent and that’s it. It’s suitable with all types of fabrics and it gets to work straight away to remove limescale and prevent the accumulation of dirt.

Other features of the Calgon Power Tabs include:

  • Anti-dirt action to avoid residue accumulation
  • Fights against mal-odour
  • Protects against limescale build up
  • Prevents rough feeling laundry
  • Suitable for use within every wash
  • Available in tablet, powder or gel form

Although relatively expensive compared to the alternatives, the Calgon Power Tabs is the best washing machine cleaner on the market. They soften water in hard water areas in the UK and are highly effective at preventing limescale buildup.
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2. Dr Beckmann Service-It Deep Clean

The Dr Beckmann Service-It is a washing machine cleaner designed to be poured directly into the drum without any laundry inside. From just one treatment, it’s able to remove 99.9% of micro-organisms and bacteria.

For the best results, the brand recommend using it every three months or 40 wash cycles for maximum cleanliness.

Other features of the Dr Beckmann Service-It include:

  • Removes MRSA for all washing machines
  • Kills 99.9% of micro-organisms and bacteria
  • Made with active carbon, which acts as a magnet to dirt
  • Pours straight into the drum
  • 250 grams of the cleaner

Overall, it’s a highly rated washing machine cleaner that promises excellent results. Once the machine is going through a cycle, you can actually see all the dirt spinning around that would otherwise be hidden.
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3. Dettol Anti Bacterial Washing Machine Cleaner

Another popular washing machine cleaner is by the reputable Dettol brand. The formula acts as a descaler to remove any limescale build-up and helps to improve the efficiency of  your machine.

In terms of its usage, simply pour it into the detergent draw without adding any detergent and then run the machine on a 60 degree wash without any laundry.

Other features of the Dettol Washing Machine Cleaner include:

  • Kills 99.9% of bacteria
  • Removes limescale and dirt
  • Prevents bad odours
  • Provides long lasting freshness
  • Best used every 2 months
  • 250 ml bottle

The Dettol Washing Machine Cleaner is an excellent all-round option that combines performance with value for the money. It’s easy to use and provides long lasting freshness that remains smelling great for many weeks.
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4. Pro-Kleen Washing Machine Cleaner

If you want extra bang for your buck, you can opt for a 5 litre bottle of the Pro-Kleen formula. It’s a washing machine cleaner and descaler that can provide up to 50 treatments per bottle as it only requires 100 ml per use.

In order to use this washing machine cleaner, simply add it into the detergent draw and run it on a standard hot cycle without any laundry. It’s recommended that you do this every 2 to 3 months for the best results.

Other features of the Pro-Kleen Cleaner & Descaler include:

  • Removes limescale, soap scum and musty odours
  • Only requires 100 ml per treatment
  • Pleasant fresh scent after use
  • Bulk buy 5 litre bottle
  • Made in the UK

The Pro-Kleen Cleaner & Descaler offers outstanding value for the money and will save you a fortune on buying individual packs. It’s also very effective too as it provides a deep clean of your washing machine as well as removing any built-up limescale. This has the effect of improving the efficiency and removing any bad odours from your washing.
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5. HG Service Engineer Cleaner for Washing Machines

HG are a popular brand in the UK and well-known for their affordable yet high performing products. The Service Engineer formula that they produce is similar to the Dr Beckmann formula above and pours straight into the drum. Once placed inside of the drum, simply put the machine on a 60 degree wash without any laundry.

Other features of the HG Service Engineer include:

  • Powder formulation
  • Pours straight into the drum
  • Suitable for washing machines or dishwashers
  • Used by professional repairmen
  • 2 x 100 gram sachets

The HG Service Engineer is an easy to use washing machine cleaner that’s also suitable for use within your dishwasher. It’s also produced by a reputable brand and offers great value for the money too.
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6. Ecozone Washing Machine Cleaner

One of the cheapest washing machine cleaners that’s actually worth buying is the Ecozone formula. It’s an easy to use tablet that goes straight into the drum of your machine and gets the work straightaway.

Other features of the Ecozone Washing Machine Cleaner include:

  • Suitable for up to 6 uses
  • Easy to use tablet
  • Vegan certified
  • Also suitable for dishwasher use
  • Removes limescale and detergent deposits
  • Made in the UK

The British made Ecozone Washing Machine Cleaner is a cheap yet effective formula that cleans and descales. Compared to many of the alternatives, it’s a fraction of the price and much easier to use in a tablet form.
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Considering the low cost of washing machine cleaners and their ease of use, it’s highly recommended to use them every month or so. They not only protect against limescale build-up but also improve the efficiency of your machine and prevent bad odours. All of our recommendations are designed for all budgets and include many different formulations. It’s crucial that you read the instructions as many require hot washes and no laundry to be placed inside of the machine.

The Author Who Worked On This Article

author dan darimo

Dan Morgan

As a keen DIY’er, gardener and somebody that loves the latest tech, Dan is someone that brings years of experience in multiple trades. Since buying his first house, he has been obsessed with renovating properties and filling it with the latest products. This has led him down the road of testing hundreds of products and creating in-depth “how-to” and informative guides that offer his first-hand experience. Other interests include working on cars, keeping fit through sports or his home gym, caravanning and drinking great coffee.

If you would like to read more about Darimo and the authors, you can visit our about page. This goes into great detail regarding how we test products, create our guides and everything else.

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