What is the recommended chlorine level for sanitized pool water?

The recommended chlorine level for sanitized pool water is crucial for maintaining safe and clean swimming conditions. A chlorine level of 1 to 3 parts per million (ppm) is widely accepted as the optimal range for effective disinfection. This level provides a sufficient concentration of chlorine to kill pathogens such as bacteria and viruses while being safe for swimmers.

At this level, the chlorine is effective in oxidizing organic contaminants and preventing the growth of algae, which can compromise water quality. Levels below 1 ppm may not effectively sanitize and could lead to health risks, while levels approaching or exceeding 3 ppm could cause irritation to the skin and eyes of swimmers, as well as potential damage to pool equipment and surfaces.

Maintaining chlorine within this optimal range helps ensure the pool remains hygienic for users while balancing the need for effective sanitation against the comfort of swimmers.