Courses
Water You Can Trust
By Cato B. Hagen (admin)
·3 lessons ·beginner
W
Water is the first thing most of us want to be sure of. In three short interactive lessons you will see how a filter really works, test what you have learned, and find out how much rain your own roof can catch.
Practical, calm and hands-on: you will leave knowing what a filter can do, what it cannot, and where your own water could come from.
Explain the three jobs of a water filter
Match common contaminants to the stage that handles them
Know the limit of a filter, and when you need more than one
Estimate how much rain your roof can catch for your household
3 interactive lessons
Animated explainer with narration
Practice quiz
Rain harvesting calculator