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CERTIFIED POOL OPERATOR TEST REVIEW EXAM
2025| BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT SOLUTIONS|
GUARANTEED VALUE PACK| ACE YOUR GRADES.
12 Reasons why the health inspector will close your pool - (answers)1. pump filter
not working for more than an hour
2. main drain is not visible
3. chemical readings out of range
4. no pool operator (15 minute grace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. danger to the public
8. chlorinator is not working
9. health inspector is not allowed in
10. bathrooms + drains not working
11. flow rate is too low
12. no phone (landline)
Measuring records as the CPO - (answers)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.
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5 Factors of Water Balance - (answers)pH, Total Alkalinity, Calcium Hardness,
Temperature, and total dissolved liquids
Corrosive water - (answers)pH is too low, dissolves everything it contacts
scaling water - (answers)pH it too high, mineral deposits on walls or pipes
Regulated pH range - (answers)7.2-7.8
pH reading is tested with Phenol Red
To lower pH, - (answers)add muriatic acid
To raise the pH, - (answers)add sodium carbonate (Soda Ash)
2. sodium bisulfate
3. carbon dioxide
Total Alkalinity - (answers)represents the amount of carbonates, bicarbonates,
and hydroxides in a solution - you want this to be high, because the pH resists
changes in fluctuating
pH Bounce - (answers)low alkalinity
Regulated Total Alkalinity range - (answers)60-180 ppm ideal goal is 100ppm
CERTIFIED POOL OPERATOR TEST REVIEW EXAM
2025| BRAND NEW ACTUAL EXAM WITH 100%
VERIFIED QUESTIONS AND CORRECT SOLUTIONS|
GUARANTEED VALUE PACK| ACE YOUR GRADES.
12 Reasons why the health inspector will close your pool - (answers)1. pump filter
not working for more than an hour
2. main drain is not visible
3. chemical readings out of range
4. no pool operator (15 minute grace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. danger to the public
8. chlorinator is not working
9. health inspector is not allowed in
10. bathrooms + drains not working
11. flow rate is too low
12. no phone (landline)
Measuring records as the CPO - (answers)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.
, 2|Page
5 Factors of Water Balance - (answers)pH, Total Alkalinity, Calcium Hardness,
Temperature, and total dissolved liquids
Corrosive water - (answers)pH is too low, dissolves everything it contacts
scaling water - (answers)pH it too high, mineral deposits on walls or pipes
Regulated pH range - (answers)7.2-7.8
pH reading is tested with Phenol Red
To lower pH, - (answers)add muriatic acid
To raise the pH, - (answers)add sodium carbonate (Soda Ash)
2. sodium bisulfate
3. carbon dioxide
Total Alkalinity - (answers)represents the amount of carbonates, bicarbonates,
and hydroxides in a solution - you want this to be high, because the pH resists
changes in fluctuating
pH Bounce - (answers)low alkalinity
Regulated Total Alkalinity range - (answers)60-180 ppm ideal goal is 100ppm
