Certified Pool Operator Practice Test

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Study for the Certified Pool Operator Test. Prepare with comprehensive flashcards and multiple-choice questions. Each question includes hints and detailed explanations. Get ready for your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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According to the Certified Pool - Spa Operator Handbook, which condition should result in the immediate closure of a pool or spa?

Chlorine level is 2.0 ppm
pH level is 8.0
Temperature is above 90°F
Alkalinity is 120 ppm

The correct answer is: Chlorine level is 2.0 ppm

The correct answer is A because a chlorine level of 2.0 ppm is considered too low and could potentially lead to bacterial growth and unsafe swimming conditions. B is incorrect because a pH level of 8.0 is within the acceptable range of 7.2-8.0. C is incorrect because while a temperature above 90°F may be uncomfortable for swimmers, it does not pose an immediate safety risk. D is incorrect because a total alkalinity of 120 ppm is within the recommended range of 80-120 ppm.