loader image

TWC 1.04 – Permanent Hardness

Please sign up for the course before starting the lesson.

Permanent Hardness What Is It?   In practice, permanent hardness is the measure of all of the remaining magnesium and calcium ions that aren’t removed by boiling. Calcium and magnesium can form compounds with anions other than carbonate and bicarbonate, and when these are dissolved into water, they won’t fall out of suspension if you […]

Back to: The Water Course > Dissolved Solids

You have Successfully Subscribed!