Water Hardness Levels - Miele PW 6241 Operating And Installation Instructions

Washing
Water hardness
levels
24
Water hardness
level
I
II
III
IV
Check with your local water supplier if you do not know the water
hardness level in your area.
Water proper- Total hardness
ties
Soft
Medium
Hard
Very hard
German scale
in
mmol/l
0–1.3
1.3–2.5
2.5–3.8
Above 3.8 Above 21
°d
0–7
7–14
14–21