What do chemical controllers NOT replace in an aquatic facility?

Chemical controllers in an aquatic facility are designed to automate the process of chemical addition to maintain water quality, but they do not replace the pool operator. The role of the pool operator encompasses a wide range of responsibilities that go beyond simply managing water chemistry. Operators are trained to monitor the overall health and safety of the aquatic environment, ensure compliance with health regulations, conduct regular inspections, respond to emergencies, and make informed decisions based on various observations and tests.

In contrast, while chemical controllers can facilitate specific tasks, they cannot perform the comprehensive duties that a pool operator does. For example, they cannot assess structural issues, manage equipment troubleshooting, or interact with patrons directly, which are all vital components of an operator's role.

The other tasks listed—water quality testing, regular maintenance, and emergency procedures—are processes where ongoing human oversight or involvement is essential, though chemical controllers may assist with some aspects of water quality. However, these processes still require operator judgment and physical presence, making the operator’s role irreplaceable.