User instructions
30
WATER HARDNESS TABLE
WATER HARDNESS
SETTINGS
German
degrees (°dH)
French
degrees (°dH)
0 – 6
0 – 11
H0
All lights off
(no salt)
7 – 10
12 – 18
H1
One light on
11 – 15
19 – 27
H2
Two lights on
16 – 21
28 – 37
H3
Three lights on
22 – 28
38 – 50
H4
Four lights on
29 - 50
51 – 90
H5
Five lights on
Contact your local water board for information on the hardness of your
water supply. Default settings:
H3 - 16-21°dH
–
28-37°dF
