CERTIFIED POOL OPERATO 2 UPDATED ACTUAL EXAM QUESTIONS CORRECT
ANSWERS GRADED A PLUS
Certified Pool Operato2 Questions and Answers
Verified Solutions Latest Update 2026/2027
Question:
Acid.
Answer:
lowers pH
Question:
Total Alkalinity.
Answer:
ability of the water to maintain ideal pH
Question:
Backwash.
Answer:
cleaning a filter by reversing the flow of water
Question:
Sodium Bicarbonate (NaHCO).
Answer:
baking soda, white powder, raise alkalinity, small change in pH
Question:
Breakpoint Chlorination.
Answer:
, eliminate inorganic material, add enough chlorine free chlorine to destroy chloramines
Question:
Calcium Hardness.
Answer:
calcium part of the total hardness reading
Question:
Chloramines.
Answer:
Combined Chlorine, forms when chlorine bonds to ammonia, irritant to eyes and skin, strong smell
Question:
DE Filter Media.
Answer:
white powder, fossilized skeletons, used in DE Filters
Question:
Effluent.
Answer:
outflow of water from pump, filter, pool
Question:
Electrode/Probe.
Answer:
measures water properties
ANSWERS GRADED A PLUS
Certified Pool Operato2 Questions and Answers
Verified Solutions Latest Update 2026/2027
Question:
Acid.
Answer:
lowers pH
Question:
Total Alkalinity.
Answer:
ability of the water to maintain ideal pH
Question:
Backwash.
Answer:
cleaning a filter by reversing the flow of water
Question:
Sodium Bicarbonate (NaHCO).
Answer:
baking soda, white powder, raise alkalinity, small change in pH
Question:
Breakpoint Chlorination.
Answer:
, eliminate inorganic material, add enough chlorine free chlorine to destroy chloramines
Question:
Calcium Hardness.
Answer:
calcium part of the total hardness reading
Question:
Chloramines.
Answer:
Combined Chlorine, forms when chlorine bonds to ammonia, irritant to eyes and skin, strong smell
Question:
DE Filter Media.
Answer:
white powder, fossilized skeletons, used in DE Filters
Question:
Effluent.
Answer:
outflow of water from pump, filter, pool
Question:
Electrode/Probe.
Answer:
measures water properties