POOL OPERATOR CERTIFICATION EXAM
REVISION HANDBOOK 2026 FILTRATION
SYSTEMS AND EQUIPMENT MAINTENANCE
◉ To remove stains from the pool bottom and walls you need to.
Answer: Drain and acid wash the pool
◉ What does adding chlorine to the pool do.
Answer: Raises Ph level
◉ The formula for AREA.
Answer: length x width
◉ What is the surface area of a pool 50 ft wide and 100 feet long.
Answer: 5000 square feet
◉ Formula for pool volume.
Answer: length x width x depth x 7.48
◉ The volume of water in a rectangular pool that is 12 feet wide, 34
feet long and constant depth of 3 feet.
,Answer: 9155 gallons
◉ Circular pool area is?.
Answer: r x 3.14
◉ For a 15000 gallon pool with an an 8 hour turnover rate the _____
is 31.25.
Answer: Flow Rate
◉ CDC states that the number accidents related to swimming.
Answer: 140000/year
◉ The minimum number of ladders in a pool.
Answer: 2 ladders
◉ Stairs in a pool must have these.
Answer: Handrails
◉ When a pool has a deep end of more than 5 feet, it must have
these two things:.
Answer: safety line and a slope line mark
, ◉ Pools should have both horizontal and vertical depth markers no
more than.
Answer: 25 feet apart
◉ The algae that causes the most damage to a pool is.
Answer: Black Algae
◉ Low chlorine levels will cause ___ in the pool.
Answer: Green Algae
◉ The person responsible for keeping records at the pool is.
Answer: pool operator
◉ If the pool is cloudy and you cannot see the main drain, what do
you do?.
Answer: Close the pool to swimmers
◉ PH should be between ___ and ___.
Answer: 7.2 and 7.8
◉ To raise pH you add....
Answer: Soda Ash
REVISION HANDBOOK 2026 FILTRATION
SYSTEMS AND EQUIPMENT MAINTENANCE
◉ To remove stains from the pool bottom and walls you need to.
Answer: Drain and acid wash the pool
◉ What does adding chlorine to the pool do.
Answer: Raises Ph level
◉ The formula for AREA.
Answer: length x width
◉ What is the surface area of a pool 50 ft wide and 100 feet long.
Answer: 5000 square feet
◉ Formula for pool volume.
Answer: length x width x depth x 7.48
◉ The volume of water in a rectangular pool that is 12 feet wide, 34
feet long and constant depth of 3 feet.
,Answer: 9155 gallons
◉ Circular pool area is?.
Answer: r x 3.14
◉ For a 15000 gallon pool with an an 8 hour turnover rate the _____
is 31.25.
Answer: Flow Rate
◉ CDC states that the number accidents related to swimming.
Answer: 140000/year
◉ The minimum number of ladders in a pool.
Answer: 2 ladders
◉ Stairs in a pool must have these.
Answer: Handrails
◉ When a pool has a deep end of more than 5 feet, it must have
these two things:.
Answer: safety line and a slope line mark
, ◉ Pools should have both horizontal and vertical depth markers no
more than.
Answer: 25 feet apart
◉ The algae that causes the most damage to a pool is.
Answer: Black Algae
◉ Low chlorine levels will cause ___ in the pool.
Answer: Green Algae
◉ The person responsible for keeping records at the pool is.
Answer: pool operator
◉ If the pool is cloudy and you cannot see the main drain, what do
you do?.
Answer: Close the pool to swimmers
◉ PH should be between ___ and ___.
Answer: 7.2 and 7.8
◉ To raise pH you add....
Answer: Soda Ash