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Degrees of water hardness
Water hardness is classified in so-called “degrees” of hardness. Information on
hardness of the water in your area can be obtained from the relevant water
supply company, or from your local authority.
Note: A water softener must be added when water has a medium-high degree
of hardness (from degree of hardness II). Follow the manufacturer’s instructions.
The quantity of detergent can then always be adjusted to degree of hardness I (=
soft).
27
Preparing the wash cycle
LLeevveell
1
Characteristic
soft
DDeeggrreeeess ooff wwaatteerr hhaarrddnneessss
GGeerrmmaann
°°ddHH
FFrreenncchh
°°TT..HH..
0-7 0-15
2 medium
8-14 16-25
3 hard
15-21 26-37
4 very hard > 21 > 37
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