Water hardness
°dH
°fH
0-5
0-9
6-11
10-20
12-17
21-30
18-22
31-40
23-34
41-60
35-55
61-98
NOTE
• 1 dH (German degree) = 0.178 mmol/l
• 1 Clark (British degree) = 0.143 mmol/l
• 1 fH (French degree) = 0.1 mmol/l
• Contact your local water board for information on the hardness of your water supply.
• WATER SOFTENER
The hardness of the water varies from place to place. If hard water is used in the
dishwasher, deposits may form on dishes and utensils. The appliance is equipped with
a special softener that uses a salt specifically designed to eliminate lime and minerals
from the water.
DW7500RM_DD81-02968F-05_EN.indd 57
Water
hardness
°Clark
mmol/l
setting
0-6
0-0.94
7-14
1.0-2.0
15-21
2.1-3.0
22-28
3.1-4.0
29-42
4.1-6.0
43-69
6.1-9.8
Salt
consumption
(gram/cycle)
H1
0
H2
20
H3
30
H4
40
H5
50
H6
60
Autonomy
(cycles/1 kgs)
/
60
50
40
30
20
English
57
2022-10-06
6:42:30