VD.196-Pool tester vs. Digital Photometer to measure chlorine - ( OXFAM ).

A demonstration and comparison of two ways to measure Free Residual Chlorine (FRC) in drinking water, using a pooltester or a digital photometer. This video was produced by the Oxfam Supply Centre. The products used in the video are available for all humanitarian agencies: https://supplycentre.oxfam.org.uk Find out more about chlorination from the Oxfam WASH team: https://www.oxfamwash.org/chlorine