CERTIFIED POOL OPERATOR TESTS
COMPILATION BUNDLE 2026 VERIFIED
QUESTIONS AND ANSWERS
CERTIFICATION PREP RESOURCE GRADED
A+
⩥dichlor.
Answer: -anhydrous
-dichlor dihydrate
-a salt, very soluble
-used to superchlorinate pool and raise stabilizer level
⩥anhydrous dichlor.
Answer: -no water is bound to molecule
-class 3 oxidizer
⩥dichlor dihydrate.
Answer: class 1 oxidizer
⩥bromine.
Answer: -disinfectant
,-oxidizer
-reddish brown liquid
⩥hypobromous acid (HOBr).
Answer: -weak acid
-destroyed by sunlight
⩥bromine tablets (BCDMH).
Answer: -when dissolved in water, HOBr acid and HOCl acid are
released
⩥ozone (O3).
Answer: -supplemental oxidizer and disinfectant
-cannot be transported and must be generated on site
-venturi injection is the most common way to dissolve ozone into water
⩥ultraviolet light.
Answer: -supplemental oxidizer and disinfectant
-does not create a disinfectant residual in water
-must be used in conjunction with a disinfectant that provides a residual
-kills/inactivates bacteria, viruses and parasites like crypto and giardia
-inactivates pathogens with high energy
, ⩥the effectiveness of UV as a disinfectant is based on.
Answer: the applied energy within the given area of the treatment
chamber where the UV bulb is located
⩥chlorine dioxide.
Answer: -selective oxidizing agent and disinfectant
-used to kill bacteria, algae, viruses and microscopic cysts like crypto
and giardia
-does not react with ammonia
⩥PHMB.
Answer: -organic polymeric disinfectant
-used in conjunction with hydrogen peroxide
-not compatible with common products like chlorine-releasing
chemicals, copper algicides and potassium monopersulfate
-kills mildew and slime
⩥pH stands for.
Answer: potens hydrogen = power of hydrogen
⩥pH.
Answer: a measurement of the hydrogen ion concentration in water
COMPILATION BUNDLE 2026 VERIFIED
QUESTIONS AND ANSWERS
CERTIFICATION PREP RESOURCE GRADED
A+
⩥dichlor.
Answer: -anhydrous
-dichlor dihydrate
-a salt, very soluble
-used to superchlorinate pool and raise stabilizer level
⩥anhydrous dichlor.
Answer: -no water is bound to molecule
-class 3 oxidizer
⩥dichlor dihydrate.
Answer: class 1 oxidizer
⩥bromine.
Answer: -disinfectant
,-oxidizer
-reddish brown liquid
⩥hypobromous acid (HOBr).
Answer: -weak acid
-destroyed by sunlight
⩥bromine tablets (BCDMH).
Answer: -when dissolved in water, HOBr acid and HOCl acid are
released
⩥ozone (O3).
Answer: -supplemental oxidizer and disinfectant
-cannot be transported and must be generated on site
-venturi injection is the most common way to dissolve ozone into water
⩥ultraviolet light.
Answer: -supplemental oxidizer and disinfectant
-does not create a disinfectant residual in water
-must be used in conjunction with a disinfectant that provides a residual
-kills/inactivates bacteria, viruses and parasites like crypto and giardia
-inactivates pathogens with high energy
, ⩥the effectiveness of UV as a disinfectant is based on.
Answer: the applied energy within the given area of the treatment
chamber where the UV bulb is located
⩥chlorine dioxide.
Answer: -selective oxidizing agent and disinfectant
-used to kill bacteria, algae, viruses and microscopic cysts like crypto
and giardia
-does not react with ammonia
⩥PHMB.
Answer: -organic polymeric disinfectant
-used in conjunction with hydrogen peroxide
-not compatible with common products like chlorine-releasing
chemicals, copper algicides and potassium monopersulfate
-kills mildew and slime
⩥pH stands for.
Answer: potens hydrogen = power of hydrogen
⩥pH.
Answer: a measurement of the hydrogen ion concentration in water
