To understand more about temporary hardness and how it is removed by bringing water to a boil, let’s look in detail at the difference between temporary and permanent hardness.
What’s The Difference Between Temporary And Permanent Hardness?
Boiling your water will remove temporary hardness, so you might assume that your water will be softer as a result of boiling.
First, boiling your hard water won’t completely soften it anyway. Even if you manage to remove the temporary hardness, it will still contain dissolved minerals in the form of permanent hardness.