What is temporary vs permanent hardness?

Document ID

Document ID TE8666

Published Date

Published Date 06/06/2018
What is temporary vs permanent hardness?
Temporary vs permanent hardness
Temporary and permanent hardness are terms used to differentiate between hardness that can be removed by boiling the water (temporary) from hardness than cannot be removed by boiling (permanent). Temporary hardness is synonymous with carbonate hardness. Permanent hardness is synonymous with noncarbonate hardness.

For additional information on carbonate and bicarbonate hardness, please see How can carbonate and noncarbonate hardness be calculated?