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Water softener recommendations
Use the table below to determine the optimal water softening setting. Your local water
z
company will be able to help. Refer to 'Preferences' for how to set the water softener.
If you have a household water softener installed, use the
z
water hardness in your area.
If your water hardness is above 890 ppm/60 gpg, the wash performance of your
z
dishwasher will decline over time. The rinse aid setting should be at 5.
SETTING
PPM*
HD-
OFF
HD1
0 – 110
HD2
110 – 140
HD3
140 – 180
HD4
180 – 215
HD5
215 – 285
HD6
285 – 375
HD7
375 – 535
HD8
535 – 890
26
WATER SOFTENER
GPG**
°DH
0 – 6
0 – 6
6 – 8
6 – 8
8 – 10
8 – 10
10 – 13
10 – 12
13 – 17
12 – 16
17 – 22
16 – 21
22 – 31
21 – 30
31 – 60
31 – 50
HD1
°FH
0 - 11
11 - 14
14 - 18
18 - 21
21 - 28
28 - 38
38 - 53
53 - 89
*PPM = parts per million | **GPG = grains per gallon
setting, irrespective of the
°E / °CLARK
MMOL/L
0 – 8
0.0 – 1.1
8 – 10
1.1 – 1.4
10 – 12
1.4 – 1.8
12 – 15
1.8 – 2.1
15 – 20
2.1 – 2.9
20 – 26
2.9 – 3.7
26 – 37
3.7 – 5.3
37 – 62
5.3 – 8.9
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