Water hardness
Moderately hard water
10.04°dHGerman degrees · supply zone reading
- Soft
- Moderately soft
- Slightly hard
- Moderately hard (reading for Willenhall)
- Hard
- Very hard
Severn Trent Water reports this supply-zone reading for the postcode of Willenhall Library. Water hardness can vary within Willenhall; check your own address before changing appliance settings.
Hard water can leave limescale in washing machines and dishwashers. Set your dishwasher’s softener and salt use to match the hardness at home, using the units in its manual. Follow the manufacturer’s descaling advice.
If heating or cleaning problems persist, an engineer can check what needs repair.