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CPO CERTIFIED POOL OPERATOR EXAM PREP TEST PAPER 2026 QUESTIONS AND ANSWERS VERIFIED 100% CORRECT

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CPO CERTIFIED POOL OPERATOR EXAM PREP TEST PAPER 2026 QUESTIONS AND ANSWERS VERIFIED 100% CORRECT

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CPO - Certified Professional Organizer
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CPO - Certified Professional Organizer








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CPO - Certified Professional Organizer
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CPO - Certified Professional Organizer

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January 16, 2026
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Written in
2025/2026
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CPO CERTIFIED POOL OPERATOR EXAM PREP
TEST PAPER 2026 QUESTIONS AND ANSWERS
VERIFIED 100% CORRECT



◉ Acid. Answer: lowers pH


◉ Total Alkalinity. Answer: ability of the water to maintain ideal pH


◉ Backwash. Answer: cleaning a filter by reversing the flow of water


◉ Sodium Bicarbonate (NaHCO). Answer: baking soda, white powder,
raise alkalinity, small change in pH


◉ Breakpoint Chlorination. Answer: eliminate inorganic material, add
enough chlorine free chlorine to destroy chloramines


◉ Calcium Hardness. Answer: calcium part of the total hardness reading


◉ Chloramines. Answer: Combined Chlorine, forms when chlorine
bonds to ammonia, irritant to eyes and skin, strong smell
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