Learn About Chlorine
Collection
Learn About Chlorine
Topics
Co-developed with
Languages
Arabic•English•French•Haitian Creole•Spanish•Swahili
Regions
Africa•Caribbean•Latin America•South Asia•South East Asia•South West Asia
E-Learning
Check Before you Disinfect: Batch Chlorination Scenario
Turbidity, pH, and temperature can all impact how fast and how well chlorine products can disinfect drinking water. Challenge yourself as you manage a water delivery at a humanitarian camp; select and evaluate the required water parameter tests and learn how these parameters can affect chlorine dosage and contact time.
E-Learning
Using the Modified Horrocks' Test to Calculate effective Chlorine Dosage
The Modified Horrocks' Test is a method of calculating the correct chlorine dosage for a known quantity of water. Follow along with Peter Thomson, senior director at CAWST as he conducts the Horrcks' test to calculate the correct chlorine dosage for a batch of drinking water.
E-Learning
Free Residual Chlorine - What Does it Mean?
Are you confused about the difference between free residual, combined and consumed chlorine in drinking water? We can help.
E-Learning
What's Happening with the Chlorine Levels?
This microlearning tool helps you discover potential problems when testing pH and chlorine in the field using a pooltester kit.
E-Learning
How to use a pool test kit
This tool teaches you step-by-step how to use a pool test kit to measure pH, free chlorine and total chlorine. It also includes troubleshooting tips.
About CAWST
CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.