Please adjust your dishwashing machine according to the local water hardness.
Please take care of a correct function of the ion exchange column in the dishwashing machine.
Otherwise limescale can occur. You will find all information in the instruction manual of your machine.
Take care that there will be always enough regeneration salt in your machine.
Very persistent limescale you can dissolve with some drops of AlmaWin rinsing agent.
At sterling cutlery brown stains could occur. Please fill sterling cutlery always separately from other metal cutlery into the basket.