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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How do you determine the level of chloramines in the pool water?

Test for total chlorine and multiply by pH level
Test for free chlorine and multiply by temperature
Test for total chlorine and free chlorine, then subtract the free chlorine number from the total chlorine
Add up the readings of total chlorine and free chlorine

The correct answer is: Test for total chlorine and free chlorine, then subtract the free chlorine number from the total chlorine

Testing for total chlorine and free chlorine and then subtracting the free chlorine number from the total chlorine is the most accurate and reliable way to determine the level of chloramines in pool water. This is because chloramines are a combination of total chlorine and free chlorine, and by subtracting the free chlorine value from the total chlorine value, you are left with the amount of chloramines present in the water. Options A and B are incorrect because they do not take into account the presence of chloramines. Option D is also incorrect because it simply adds the two chlorine readings together, which does not accurately reflect the level of chloramines.