Exam (elaborations)
CPO Practice Test Questions and Answers Already Passed
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CPO Practice Test Questions and Answers Already Passed Which type of filter requires the least amount of water to clean? (A) Diatomaceous (B) Rapid rate sand (C) High rate sand (D) Cartridge (D) Cartridge Cyanuric acid (stabilizer) protects free chlorine (FC) against the effects of: (A)...
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