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Pool and Spa Operator Final Exam Questions and Answers | Latest 2025/2026 Edition | Certified Pool & Spa Operator (CPO) Certification | 100% Correct

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Pool and Spa Operator Final Exam Questions and Answers | Latest 2025/2026 Edition | Certified Pool & Spa Operator (CPO) Certification | 100% Correct

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Pool and Spa Operator Final Exam Questions
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and Answers | Latest 2025/2026 Edition |
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Certified Pool & Spa Operator (CPO) Certifica VF VF VF VF VF VF




tion | 100% Correct VF VF VF




The percentage of hypoclorous acid formation is most influenced b
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y: pH
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Pool painting is usually done:
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Before opening in the spring
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When a pool is chlorinated with gas chlorine, the operator must also us
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e: Soda Ash
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The term "chlorine demand" refers to:
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The amount of chlorine which will react with substances in the pool
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Re-

circulation pumps used in swimming pools are the type called: Cen
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trifugal pumps VF

, Pool and Spa Operator Final Exam Questions
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and Answers | Latest 2025/2026 Edition |
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Certified Pool & Spa Operator (CPO) Certifica VF VF VF VF VF VF




tion | 100% Correct VF VF VF




Reversing the flow of water through the filters is called:
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Backwash




"Slurry feed" or "body feed" refers to:
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Diatomite added during a filter run
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The term pH is determined by the concentration of:
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Hydrogen ions VF




Because carbonate ions combine with hydrogen ions, sodium carbonate will cause pH to
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: Rise
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When enough chlorine is added to cause complete oxidation of all organic compounds, a su
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dden drop in residual chlorine may be noticed. The point at which this occurs is called the
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:
Break-point




"Residual chlorine" refers to:
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The amount left in the water after oxidation of organic material
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