Chlorine is a chemical used to kill bacteria and algae in pools and hot tubs.
Example:
For our pool we bought a container of chlorine tablets.
CHLORINE:
A term used to describe any type of chlorine compound used as a disinfectant in swimming pool and hot tub water or to kill, destroy or control bacteria and algae. In addition, chlorine oxidizes ammonia and nitrogen compounds cause by swimmers.
Example:
