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Step 1 Step 2 Step 3 Step 4
Put the test paper
into water for about
1 sec. Do not put
the test paper under
running water.
Shake the test paper
to remove the excess
of water.
After 1 min, check
water hardness with
the table below.
Set the water hardness
level: Menu / Settings /
Setup / Water hard‐
ness.
The colours of the test paper continue to change. Do not check water hardness later than 1
min after test.
You can change the water hardness level in the menu: Settings / Setup / Water hardness.
The table shows water hardness range (dH) with the corresponding level of Calcium deposit
and the water classification. Adjust the water hardness level according to the table.
Water hardness Test paper Calcium de‐
posit (mmol/l)
Calcium de‐
posit (mg/l)
Water classi‐
fication
Level dH
1 0 - 7 0 - 1.3 0 - 50 soft
2 8 - 14 1.4 - 2.5 51 - 100 moderately
hard
3 15 - 21 2.6 - 3.8 101 - 150 hard
4 ≥22 ≥ 3.9 ≥151 very hard
When the tap water hardness level is 4, fill the water drawer with still bottled water.
18/60
BEFORE FIRST USE
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