my machine Nespresso KRUPS Gebrauchsanweisung Seite 6

SAFETY PRECAUTIONS
Descaling
Nespresso descaling agent, when used correctly, helps ensure the proper
functioning of your machine over its lifetime and that your coffee experi
ence is as perfect as the first day. For the correct amount and procedure to
follow, consult the user manual included in the Nespresso descaling kit.
SAVE THESE INSTRUCTIONS
Pass them on to any subsequent user.
This instruction manual is also available as a PDF at
nespresso.com