Water softener – AEG LAVALOGIC 1600 User Manual

Page 25

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Water softener

For medium to high water hardness (hardness class II upwards), you
should use softener. Refer to the manufacturer's instructions. Then al-
ways add the appropriate amount of detergent for hardness class I
(= soft). The responisable water works will provide information on the
local water hardness.

Since the water softener is rinsed in before the main detergent (water
pre-softening), 80% of the stated quantity of softener shown on the
package is sufficient.

Water hardness details

Hardness class

Water hardness in °dH

(German hardness scale)

Water hardness in mmol

(millimol per litre)

I - soft

0 - 7

to 1.3

II - medium hard

7 - 14

1.3 - 2.5

III - hard

14 - 21

2.5 - 3.8

IV - very hard

greater than 21

greater than 3.8