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Settings
If you are using bottled drinking water,
e.g., mineral water, select settings
according to the calcium content. The
calcium content is given on the label of
the bottle in mg/l Ca
2+
Ca
/l).
Do not use carbonated water.
The hardness level is set to 21.8 gpg
(21°dH) by default.
Water hardness
°dH
gpg
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
56
2+
or ppm (mg
Calcium
Setting
content
2+
mg/l Ca
or
2+
ppm (mg Ca
/l)
7
14
21
29
36
43
50
57
64
71
79
86
93
100
107
114
121
129
136
143
Water hardness
°dH
21
22
23
24
25
26
27
28
29
1
30
2
31
3
32
4
33
5
34
6
35
7
36
8
37–45
9
46–60
10
61–70
11
Tip: If your water hardness is
12
> 21.8 gpg (21°dH), we recommend
using bottled drinking water instead
13
(< 150 mg/l Ca
14
coffee machine will need to be
15
descaled less often and there will be
16
less impact on the environment
because less descaling agent will be
17
used.
18
19
20
Calcium
content
gpg
2+
mg/l Ca
or
ppm (mg Ca
22
150
23
157
24
164
25
171
26
179
27
186
28
193
29
200
30
207
31
214
32
221
33
229
34
236
35
243
36
250
37
257
38–47
258–321
48–62
322–429
63–73
430–500
2+
). This will mean your
Setting
2+
/l)
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37–45
46–60
61–70
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