Water Hardness

Additional materials for this lesson can be found in our google drive folder at https://goo.gl/ub2ZAJ . A direct link to the materials for this video can be found at https://drive.google.com/drive/folder.... This video begins with an introduction to water hardness by conducting a class demo on the lathering action of soap in different water sources. Different types of water hardness, origins of water hardness, the relationship between alkalinity and water hardness, water softening techniques, and water softening equations are all explored.