On This Day - Jun 03 : Emmet Culligan died

Image

He invented the Culligan water softener system that made water softening available to home users. These systems reduce the amount of calcium (Ca), magnesium (Mg) and other metal cations found in hard water. He founded the Culligan international water treatment products company in 1936.

Make your lessons pop

Choose an account option to continue exploring our full range of articles and teaching resources

Free

Free access for everyone, everywhere. If you only need a few resources, start here.


What's included

  • One free teaching resource each month
  • Five free Education in Chemistry articles each month
  • Personalised email alerts and bookmarks