CERTIFIED POOL OPERATOR TESTS 2
ASSESSMENT SCRIPT 2026 VERIFIED
ANSWERS COMPREHENSIVE REVIEW
◉ Free Available Chlorine.
Answer: Chlorine available to disinfect water.
◉ pH Level.
Answer: Measure of acidity or alkalinity in water.
◉ Fecal Incident Protocol.
Answer: Raise free chlorine to 17 ppm immediately.
◉ Sodium Hypochlorite Calculation.
Answer: Amount needed to raise chlorine levels.
◉ Chloramines.
Answer: Combined chlorine compounds causing irritation.
◉ Chloramine Testing.
Answer: Subtract free chlorine from total chlorine.
,◉ Saturation Index.
Answer: Indicates water balance; calculated monthly.
◉ Total Alkalinity.
Answer: Measure of water's buffering capacity.
◉ Calcium Hardness.
Answer: Concentration of calcium in pool water.
◉ Water Balance Calculation.
Answer: Monthly assessment of pool water chemistry.
◉ Calcium Chloride Requirement.
Answer: Amount needed to increase calcium hardness.
◉ Gallons to Fill Pool.
Answer: Volume needed to restore water level.
◉ Spa Water Change Frequency.
Answer: Recommended every 10 days for health clubs.
, ◉ Backwashing Frequency.
Answer: When pressure difference is 10-20 psi.
◉ DPD vs OTO Testing.
Answer: DPD preferred for accurate chlorine measurement.
◉ Safety Equipment Accessibility.
Answer: Must be easily accessible around the pool.
◉ Filter System Efficiency.
Answer: Diatomaceous earth removes smallest particles.
◉ Pump Priming Issues.
Answer: Check for leaks and clogged baskets.
◉ Oxidation Reduction Potential (ORP).
Answer: Measured in millivolts (mV) for water quality.
◉ High Calcium Hardness Effects.
Answer: Can cause staining and cloudy water.
◉ Head First Dives.
ASSESSMENT SCRIPT 2026 VERIFIED
ANSWERS COMPREHENSIVE REVIEW
◉ Free Available Chlorine.
Answer: Chlorine available to disinfect water.
◉ pH Level.
Answer: Measure of acidity or alkalinity in water.
◉ Fecal Incident Protocol.
Answer: Raise free chlorine to 17 ppm immediately.
◉ Sodium Hypochlorite Calculation.
Answer: Amount needed to raise chlorine levels.
◉ Chloramines.
Answer: Combined chlorine compounds causing irritation.
◉ Chloramine Testing.
Answer: Subtract free chlorine from total chlorine.
,◉ Saturation Index.
Answer: Indicates water balance; calculated monthly.
◉ Total Alkalinity.
Answer: Measure of water's buffering capacity.
◉ Calcium Hardness.
Answer: Concentration of calcium in pool water.
◉ Water Balance Calculation.
Answer: Monthly assessment of pool water chemistry.
◉ Calcium Chloride Requirement.
Answer: Amount needed to increase calcium hardness.
◉ Gallons to Fill Pool.
Answer: Volume needed to restore water level.
◉ Spa Water Change Frequency.
Answer: Recommended every 10 days for health clubs.
, ◉ Backwashing Frequency.
Answer: When pressure difference is 10-20 psi.
◉ DPD vs OTO Testing.
Answer: DPD preferred for accurate chlorine measurement.
◉ Safety Equipment Accessibility.
Answer: Must be easily accessible around the pool.
◉ Filter System Efficiency.
Answer: Diatomaceous earth removes smallest particles.
◉ Pump Priming Issues.
Answer: Check for leaks and clogged baskets.
◉ Oxidation Reduction Potential (ORP).
Answer: Measured in millivolts (mV) for water quality.
◉ High Calcium Hardness Effects.
Answer: Can cause staining and cloudy water.
◉ Head First Dives.
