Descale Coffee machine

  1. Dissolve 10g of citric acid in a cup of hot water
  2. Add cold water to make the quantity up to a litre.
  3. Replace any water in the tank with the citric acid solution,
  4. Run tank of water through the machine.
  5. Empty any remaining solution from the tank,
  6. flush with clean water, refill and run about a litre of clean water through the machine,