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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To maintain a safe pool environment, what should be regularly checked and adjusted to control scaling?

Alkalinity levels
Water temperature
Hardness levels
pH levels

The correct answer is: Alkalinity levels

The other options, water temperature and hardness levels, are important to monitor but do not directly control scaling. Alkalinity levels and pH levels work together to keep the water in balance and prevent scaling. pH levels also affect the efficacy of chlorine in killing bacteria, so it is important to regularly check and adjust both alkalinity and pH levels to maintain a safe pool environment.