Very Hard; English - AEG L 75280 FL User Manual

Water hardness table
Level Type
1 soft
2 medium
3 hard
4

very hard

Water hardness
°dH °T.H.
0-7 0-15
8-14 16-25
15-21 26-37
> 21 > 37

ENGLISH

mmol/l Clarke
0-1.5 0-9
1.6-2.5 10-16
2.6-3.7 17-25
>3.7 >25
21