Pool Operator Study Guide Questions and Answers Updated 2026/2027 Version | Verified Answers

Pool Operator Study Guide Questions and Answers Updated 2026/2027 Version | Verified Answers 1. Minimum number of ladders required in a pool are: - ANSWER 2 2. Stairs in a pool must be accompanied by a - ANSWER handrail must be anchored in the pool deck and in the bottom step 3. When a pool has deep water more than 5 feet must have - ANSWER a safety line and a slope line mark 4. Channeling means - ANSWER over the course of time the filter and sand is bad and deep channels are formed in the sand causing it to filter poorly 5. As the dirt in the filter accumulates the flow of water going through the filter - ANSWER decreases while filter pressure increases 6. removing dirt/particles from filter - ANSWER backwashing 7. High speed sand filters are able to filter how much water per minute per square foot? - ANSWER 15-20 8. The flow of water through the filter is - ANSWER gallons per minute 9. Breakeven point level of chlorine at a pool you must have - ANSWER 10 times the level of chloramines 10. If a patron smells chloramines (bad chlorine) you should - ANSWER shock the pool 11. Maximum temperature in a spa is - ANSWER 104 degrees fahrenheit 12. Maximum bromine level in a spa is - ANSWER 6ppm 13. pH levels should be - ANSWER 7.2-7.8 (like a pool) 14. If you are using gas chlorine at a swimming pool the filter room must be - ANSWER WELL VENTILATED. 15. Ideal bromine level in a pool and spa is: - ANSWER 3ppm to 6ppm 16. Ideal chorine level for a pool is: - ANSWER 1ppm to 5ppm 17. Maximum level of chlorine in a pool is: - ANSWER 5ppm 18. If you see bubbles coming up from a return, the possible cause could be - ANSWER a bad seal on the hair/lint strainer - it is not properly closed, or air is in the filter, or water level is too low 19. The hypochlorinator doesn't work. What could be a possible cause for this? a) no chlorine in the vat b) the injection fitting is clogged c) the tube assembly needs to be changed d) all of the above - ANSWER d) all of the above 20. You go to the pool in the morning and notice the chlorine is at zero. You hand-feed chlorine, how long to do you have to wait to allow people to go into the pool. a) no time b) 15 minutes c) 30 minutes d) One day - ANSWER c) 30 minutes 21. When doing the pH test and the sample turns yellow, what does it mean? - ANSWER pH is too low 22. When doing the pH test and the sample turns purple, what does it mean? - ANSWER pH is too high 23. What do you do if a patron complains of a chlorine smell and their eyes are stinging? - ANSWER Raise the chlorine to Breakpoint Level. 24. In most jurisdictions the turnover rate is - ANSWER 6 hours 25. Algae forms because of - ANSWER poor circulation and/or low chlorine levels 26. Most common form of algae - ANSWER green 27. Worst type of algae - ANSWER black 28. What is responsible for stains in the pool? - ANSWER copper, iron, magnesium and other metals 29. To remove stains from the pool surface - ANSWER drain and acid wash the pool 30. Adding chlorine to the pool to the pool - ANSWER raises the pH 31. Adding bromine to a pool or spa - ANSWER lowers pH 32. The formula for area is - ANSWER length x width 33. formula volume is - ANSWER length x width by depth by 7.48 (num. x num. x num. x 7.48) 34. To measure the area for circular pool - ANSWER 3.14 r^2 35. Flow Rate= - ANSWER Turnover Rate/Filter Media Rate 36. Flow Rate= - ANSWER number of gallons divided by hours of turnover (multiply hours by 60 to get minutes)