CPO Exam | Certified Pool Operator Exam | 100% Correct | Questions and Answers Rated A+ | 2025/2026 Guide

CPO Exam | Certified Pool Operator
Exam | 100% Correct | Questions and
Answers Rated A+ | 2025/2026 Guide

what does TDS stand for
-Correct Answer-total dissolved solids


Total Dissolved solids
-Correct Answer-measurement of everything that has dissolved in the pool
water


what to do if TDS level is 1500 ppm or above?
-Correct Answer-drain some or all water and refill with fresh water


Saturation index formula
-Correct Answer-pH+ temperature +calcium+Alkalinity - TDS


Balanced water total saturation result
-Correct Answer- -0.3 -- +0.3
how many drowning deaths in US every year
-Correct Answer-3,868


half of all drownings occur in how much water?
-Correct Answer-4-6 feet of water

, what does drowning sound like
-Correct Answer-95% of drowning victims are silent


what does GFCIs stand for
-Correct Answer-Ground-Fault Circuit Interrupters


maximum temperature in a spa
-Correct Answer-104 degrees F


how is 50% of pool temperature lost
-Correct Answer-evaporation


causes for foam on a spa
-Correct Answer-contaminants
hair care products such as shampoo, hair spray
body lotion and deoderant
makeup
laundry detergent or soap


depth markers
-Correct Answer-should be provided very 20 feet on horizontal surface
around pool and vertical surface inside pool


causes for stains on interior pool
-Correct Answer-copper, manganese, iron