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Certified Pool Operator Handbook Practice Test – 2023 Questions and Answers Graded A+
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Certified Pool Operator Handbook Practice Test – 2023 Questions and Answers Graded A+ 1. You operate a 120,000-gallon pool, and upon performing your hourly chemical tests you observe the following readings: Total Available Chlorine reading is 1.6 free available chlorine reading is 1.5 pH is 7.4 ...
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