How To Measure Chlorine Residual with Colorimeter

Tutorial guide on how to take samples of chlorine residual using a colorimeter. This video is brought to you by the Southwest Environmental Finance Center and the Environmental Finance Center Network (EFCN). The EFCN is a partnership of 9 centers serving 10 EPA Regions. The EFCN provides training and technical assistance to small water and wastewater systems. Environmental Finance Center Network: https://efcnetwork.org/ Southwest Environmental Finance Center: https://swefc.unm.edu/home/