it makes scum and scale...
- hard water won't easily form scum and scale with soap you get a scum instead
- hard water also forms furring of the pipes, boilers and kettles, this reduces the efficiency and may need to be replaced - costs a lot of money
- scale means that it takes longer to boil as it becomes a thermal insulator - becomes less efficient
- it also forms a scum on the surface of tea
Advantages of this water
- calcium ions are good for bones and teeth
- it forms a protective coating inside pipes and protects…