Pool and Spa Operator Final Exam Questions and Correct Answers

Pool and Spa Operator Final Exam
Questions and Correct Answers 2025-
2026

Pool and Spa Operator Final Exam
Questions and Correct Answers 2025-
2026


The percentage of hypoclorous acid formation is most influenced by:
pH




Pool painting is usually done:
Before opening in the spring




When a pool is chlorinated with gas chlorine, the operator must also use:
Soda Ash




The term "chlorine demand" refers to:
The amount of chlorine which will react with substances in the pool




Re-circulation pumps used in swimming pools are the type called:

, Pool and Spa Operator Final Exam
Questions and Correct Answers 2025-
2026
Centrifugal pumps




Certification | 100% Correct
Reversing the flow of water through the filters is called:
Backwash




"Slurry feed" or "body feed" refers to:
Diatomite added during a filter run




The term pH is determined by the concentration of:
Hydrogen ions




Because carbonate ions combine with hydrogen ions, sodium carbonate will cause pH to: Rise




When enough chlorine is added to cause complete oxidation of all organic compounds, a sudden
drop in residual chlorine may be noticed. The point at which this occurs is called the: Break-
point