Package deal
PACKAGE DEAL BUNDLE FOR CPO(Certified Pool Operator) TEST QUESTIONS AND ANSWERS ALREADY PASSED AND GRADED A+
The main drain purpose is to - correct answer C. Remove sediments and is located at the deep end of the pool The pressure differential between gauges on a pressure filter should not exeed - correct answer B. 10psi A sequestering agent may be used in a pool to - correct answer A. Prevent precipita...
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