VIP Exclusive
CPO Certified Pool/Spa Operator VIP Practice Exam
CPO — The CPO® (Certified Pool/Spa Operator) credential is issued by the Pool & Hot Tub Alliance (PHTA), formerly the National Swimming Pool Foundation (NSPF); the real exam consists of 50 multiple-choice questions with a 75% passing threshold, administered after a two-day training course or online equivalent.
29
Questions
120m
Time Limit
75.00%
To Pass
Question 1 of 29👑 VIP
A commercial pool operator tests the water at opening and finds: pH 7.8, free chlorine 0.4 ppm, total alkalinity 110 ppm, cyanuric acid 55 ppm, water temperature 84°F. The pool is cloudy and bathers are complaining of eye irritation. Which condition is MOST directly responsible for the chlorine's reduced effectiveness, given these readings?
Questions 2–29 and full explanations are VIP-exclusive.