Nespresso Gran Lattissima - Water hardness setting

More recipes doesn’t have to mean more effort. With the Nespresso Gran Lattissima, there’s a way for all your latte wishes. With six different recipe options at the touch of a button and an easy rinsing system, the Gran Lattissima does the work while you lean back.
For coffee shop recipes, in the blink of a cup.

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[allcheckout]

I have a RO filter (hence zero hardness) and don't need a test strip to figure out, but I would need a chart which tells me which button to press with zero hardness. That's totally missing. BTW I have a new machine and can't find a test strip inside. Maybe it got lost.

[Atheist_Rhapsody]

Well it does say anything about what to do if I have soft water. Lacking in useful information