Clean the storage tank or reservoir. Get rid of particles and scrub or hose off any dirt or other deposits or inside surfaces. Pump to get rid of any suspended solids or international make any difference while in the water if at all possible. Also known as ‘chlorine shock”, this https://andre0jryh.theblogfairy.com/30379008/5-tips-about-how-to-clean-and-sterilize-water-tanks-in-buraidah-you-can-use-today