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Picture for category Descaling


Descaling coffee machines manually


90 % of malfunction caused by limescale built up in the water system. Please descale your coffee machine with Gaggia descaler every month.

You can buy the Gaggia Descaler (250ml) here >



Coffee Maker Descaling Procedure


  1. Pour the whole bottle of Gaggia descaler solution (250ml) into the coffee machine's water tank then fill the tank with fresh water. (1L)

  2. Remove the shower disc ( it has 1 screw in the middle) and behind the shower holding plate (it has 2 hexagon screws), give them a good clean and make sure all holes on both are free of dirt (do not use a pin to clean the filter).

  3. Turn on the machine and dispense 2 mugs of water through both of the steam wand and the brew head.

  4. Switch off your coffee machine and let the descaling solution sit for 20 minutes.
    Never let the coffee machine heat up while you have descaling solution inside its water system!

  5. Switch the machine on and dispense 2 cups of water (150 ml) through both of the steam wand and the brew head and then Switch off the coffee machine for 3 minutes.

  6. Repeat Section 5 until there is no descaling solution left in the water tank.

  7. Rinse the water tank with clear water and fill it up again.

  8. Rinse the coffee machine's water system with 4 liters of clear water through the brew head and the steam wand.
    Do not run the water pump continously! You need to stop for sometimes.

  9. Run some water through when the machine reaches its coffee temperature

  10. Screw back the shower holding plate and then the shower disc.



Do not use descalers contain formic acid (only lactic acid)

Never use vinegar! Here you can read, why don't use vinegar to descale coffee machine.


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Delonghi Coffee Machine Descaler 2x 100 ml

Free UK Mainland Delivery on all orders over £55.
£6.96 incl vat

Delonghi Coffee Machine Descaler 500ml

Free UK Mainland Delivery on all orders over £55.
£15.12 incl vat

Gaggia Descaler 250ml

Free UK Mainland Delivery on all orders over £55.
From £6.00 incl vat