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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What is the ideal range for total alkalinity in pool water?

80 to 120 ppm
70 to 90 ppm
60 to 80 ppm
100 to 140 ppm

The correct answer is: 80 to 120 ppm

The ideal range for total alkalinity in pool water is 80 to 120 ppm. This range is recommended by the National Plasterers Council and is the most widely accepted standard by pool professionals. Option B is too low and can lead to corrosion and etching of the pool surfaces. Option C is also too low and can result in a more acidic pool which can irritate swimmers' skin and eyes. Option D is too high and can cause cloudy and dull pool water.