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!

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Which type of chlorine compound is best for maintaining a consistent chlorine level in pool water over time?

dichlor
liquid chlorine
trichlor
zinc hypochlorite

The correct answer is: dichlor

Dichlor is the best choice for maintaining a consistent chlorine level in pool water over time. Liquid chlorine, while commonly used, dissipates more quickly in sunlight and heat which can result in inconsistent levels. Trichlor, while also commonly used, contains cyanuric acid which can build up over time and reduce the effectiveness of chlorine. Zinc hypochlorite is not commonly used for pool maintenance and may not be as effective as dichlor.