POOL OPERATORS EXAM 2026 EXAM SCRIPT
SOLVED QUESTIONS WITH ACCURATE
SOLUTIONS
◉ Measuring records as the CPO. Answer: Operator must test the water
for Cl and pH every hour, and Total Alkalinity, Calcium Hardness and
Cyanuric Acid once per week. Records must be maintained on site and
available for at least 2 years at the pool and 3 years total.
◉ 5 Factors of Water Balance. Answer: pH, Total Alkalinity, Calcium
Hardness, Temperature, and total dissolved liquids
◉ Corrosive water. Answer: pH is too low, dissolves everything it
contacts
◉ scaling water. Answer: pH it too high, mineral deposits on walls or
pipes
◉ Regulated pH range. Answer: 7.2-7.8
pH reading is tested with Phenol Red
◉ To lower pH,. Answer: add muriatic acid
◉ To raise the pH,. Answer: add sodium carbonate (Soda Ash)
SOLVED QUESTIONS WITH ACCURATE
SOLUTIONS
◉ Measuring records as the CPO. Answer: Operator must test the water
for Cl and pH every hour, and Total Alkalinity, Calcium Hardness and
Cyanuric Acid once per week. Records must be maintained on site and
available for at least 2 years at the pool and 3 years total.
◉ 5 Factors of Water Balance. Answer: pH, Total Alkalinity, Calcium
Hardness, Temperature, and total dissolved liquids
◉ Corrosive water. Answer: pH is too low, dissolves everything it
contacts
◉ scaling water. Answer: pH it too high, mineral deposits on walls or
pipes
◉ Regulated pH range. Answer: 7.2-7.8
pH reading is tested with Phenol Red
◉ To lower pH,. Answer: add muriatic acid
◉ To raise the pH,. Answer: add sodium carbonate (Soda Ash)
