The Water Dictionary

NR postcode area

Water hardness by postcode district. Click a district to see the full mineral profile and salt adjustment recommendations.

060120180300
No data

Hardness in mg/L as calcium carbonate

NR1NR2NR3NR4NR5NR6NR7NR8NR9NR10NR11NR12NR13NR14NR15NR16NR17NR18NR19NR20NR21NR22NR23NR24NR25NR26NR27NR28NR29NR30NR31NR32NR33NR34NR35