Water hardness
Water hardness is the result of naturally occurring calcium and magnesium salts. Water containing small amounts of these salts is said to be soft, whilst hard water contains greater levels. You can use our postcode search tool to find out about the drinking water quality in your area, or checking on our In Your Area website.
Take a look at the factsheets on How hard is my water and Water softeners and my tap water.
Take a look at the factsheets on How hard is my water and Water softeners and my tap water.