Beko DW451 User Manual - Page 11

5 How to use Water hardness & regeneration settings The dishwasher requires lime free water. Hard water leaves watermarks on your dishes. Your dishwasher has a special water softening system to remove the hardness of the tap water. Setting this system correctly will increase the washing effectiveness. To find out the hardness level of water in your area, contact your local Water Board or determine water hardness level by the help of test strip provided. If you move to a different location, the level of water hardness will possibly be different. It is essential to reset the water hardness in order to obtain optimum washing efficiency. � � � � 10 GB