Why you should Descale your Coffee Machine

The Unseen Enemy: Why Descaling Your Thermoblock Coffee Machine Matters

For the coffee connoisseur, a steaming cup of freshly brewed perfection is a daily ritual. But lurking behind the smooth crema and rich aroma lies a hidden enemy: limescale. This mineral build-up, particularly in thermoblock coffee machines, can silently sabotage your coffee experience and even threaten the life of your beloved machine.

What is limescale, and why is it bad?

Limescale forms when dissolved minerals, like calcium and magnesium, in your water harden and deposit on the internal surfaces of your machine. In thermoblock coffee machines, which heat water directly through an aluminum block, this build-up can have a significant impact.

Here's how limescale wreaks havoc:

  • Reduced heating efficiency: Limescale acts as an insulator, trapping heat and preventing the thermoblock from reaching optimal temperature. This results in lukewarm coffee and longer brewing times.
  • Clogged water passages: As limescale accumulates, it can narrow and even block the tiny water channels in your machine. This can lead to uneven water flow, affecting extraction and ultimately, the taste of your coffee.
  • Machine malfunction and damage: Over time, severe limescale build-up can damage pumps, valves, and other delicate components, leading to costly repairs or even complete machine failure.

The good news? You're in control!

Regular descaling is the superhero to your coffee machine's rescue. It's like a magic spell that dissolves and removes limescale, restoring your machine to its pristine state. By descaling regularly, you can:

  • Enjoy hotter, tastier coffee: Get the perfect extraction temperature for optimal flavour and aroma.
  • Maintain optimal water flow: Ensure consistent brewing and prevent sputtering or uneven extraction.
  • Protect your investment: Extend the life of your thermoblock machine by preventing costly repairs and breakdowns.

Descaling made easy:

Clean Machine Triple-Action Domestic Descaler  
Your trusted weapon against limescale. This powerful yet gentle formula effectively dissolves and removes limescale deposits, leaving your machine sparkling clean and ready to deliver perfect coffee every time.


  • Frequency matters: Descaling frequency depends on your water hardness. Consult your machine's manual or use a water hardness test kit to determine the recommended schedule.
  • Choose the right product: Opt for a descaler specifically formulated for thermoblock machines, like Clean Machine Triple-Action Domestic Descaler.
  • Follow the instructions: Each descaler has its own process. Read and follow the instructions carefully for optimal results.

So, arm yourself with knowledge and the right tools, and say goodbye to the limescale monster. Regular descaling is the key to unlocking the full potential of your thermoblock coffee machine, ensuring years of delicious, trouble-free coffee enjoyment.

Now, go forth and conquer the limescale! Your perfect cup awaits.

P.S. Don't forget to check out Clean Machine Triple-Action Domestic Descaler for all your descaling needs!