Learn how to measure water hardness in the Gaggia Magenta Prestige.
You will need to set the water hardness when you install your machine. Take the water hardness measuring strip contained in the packaging and follow the steps shown on the display during the installation phase. To change the water hardness later, press the Clean/Set button, then select "SETTINGS". Once in the settings menu, select "WATER HARDNESS".
1. Immerse the water hardness measuring strip in a glass of water for 1 second. Remove the strip from the water and wait 1 minute.
2. Note how many squares turn red.
3. Use the green "" and "" buttons to select the water hardness according to the table below. Confirm the setting by pressing "".