Pool Operator Study Guide Questions
& Answers
Ideal bromine level in a pool and spa is: - ANS ✔ - 3ppm to 6ppm
Ideal chorine level for a pool is: - ANS ✔ - 1ppm to 5ppm
Maximum level of chlorine in a pool is: - ANS ✔ - 5ppm
If you see bubbles coming up from a return, the possible cause could be - ANS ✔ - a bad seal on the
hair/lint strainer - it is not properly closed, or air is in the filter, or water level is too low
The hypo chlorinator doesn't work. What could be a possible cause for this?
a) no chlorine in the vat
b) the injection fitting is clogged
c) the tube assembly needs to be changed
d) all of the above - ANS ✔ - d) all of the above
You go to the pool in the morning and notice the chlorine is at zero. You hand-feed chlorine, how long
to do you have to wait to allow people to go into the pool.
a) no time
b) 15 minutes
c) 30 minutes
d) One day - ANS ✔ - c) 30 minutes
When doing the pH test and the sample turns yellow, what does it mean? - ANS ✔ - pH is too low
, When doing the pH test and the sample turns purple, what does it mean? - ANS ✔ - pH is too high
What do you do if a patron complains of a chlorine smell and their eyes are stinging? - ANS ✔ - Raise
the chlorine to Breakpoint Level.
If the telephone at the pool doesn't work - ANS ✔ - close the pool
What should you use when handling chemicals? - ANS ✔ - Personal Protective Equipment - Gloves,
Goggles, Apron
What happens if the alkalinity level is too low? - ANS ✔ - pH is difficult to maintain, the water will
cause damage to the pool walls
How do you lower the Calcium Hardness Level? - ANS ✔ - Drain water out and add fresh water. Dilute
the water.
What should you have if the water is deeper than 5 ft? - ANS ✔ - Put up a safety line
If the chlorinator is working and you have chlorine in the vat, what is a possible reason for the
chlorine reading being 0? - ANS ✔ - The test could be bleached (chlorine level is too high)
What kind of filter media filters the smallest particles? - ANS ✔ - Diatomaceous Earth (DE)
To be a pool operator you must - ANS ✔ - complete pool operators training course
The strongest suction in the pool is - ANS ✔ - the main drain
Electrical system at pool must have - ANS ✔ - GFI's
The skimmer - ANS ✔ - weir prevents floating material from re-entering the pool.
& Answers
Ideal bromine level in a pool and spa is: - ANS ✔ - 3ppm to 6ppm
Ideal chorine level for a pool is: - ANS ✔ - 1ppm to 5ppm
Maximum level of chlorine in a pool is: - ANS ✔ - 5ppm
If you see bubbles coming up from a return, the possible cause could be - ANS ✔ - a bad seal on the
hair/lint strainer - it is not properly closed, or air is in the filter, or water level is too low
The hypo chlorinator doesn't work. What could be a possible cause for this?
a) no chlorine in the vat
b) the injection fitting is clogged
c) the tube assembly needs to be changed
d) all of the above - ANS ✔ - d) all of the above
You go to the pool in the morning and notice the chlorine is at zero. You hand-feed chlorine, how long
to do you have to wait to allow people to go into the pool.
a) no time
b) 15 minutes
c) 30 minutes
d) One day - ANS ✔ - c) 30 minutes
When doing the pH test and the sample turns yellow, what does it mean? - ANS ✔ - pH is too low
, When doing the pH test and the sample turns purple, what does it mean? - ANS ✔ - pH is too high
What do you do if a patron complains of a chlorine smell and their eyes are stinging? - ANS ✔ - Raise
the chlorine to Breakpoint Level.
If the telephone at the pool doesn't work - ANS ✔ - close the pool
What should you use when handling chemicals? - ANS ✔ - Personal Protective Equipment - Gloves,
Goggles, Apron
What happens if the alkalinity level is too low? - ANS ✔ - pH is difficult to maintain, the water will
cause damage to the pool walls
How do you lower the Calcium Hardness Level? - ANS ✔ - Drain water out and add fresh water. Dilute
the water.
What should you have if the water is deeper than 5 ft? - ANS ✔ - Put up a safety line
If the chlorinator is working and you have chlorine in the vat, what is a possible reason for the
chlorine reading being 0? - ANS ✔ - The test could be bleached (chlorine level is too high)
What kind of filter media filters the smallest particles? - ANS ✔ - Diatomaceous Earth (DE)
To be a pool operator you must - ANS ✔ - complete pool operators training course
The strongest suction in the pool is - ANS ✔ - the main drain
Electrical system at pool must have - ANS ✔ - GFI's
The skimmer - ANS ✔ - weir prevents floating material from re-entering the pool.
