CPO Test Study Guide | 44 Questions with 100% Correct Answers | Updated & Verified
Depth markings should be - clearly visible by people in the water. Wading pool and spa drains must be - anti-vortex AND secured. Pool drains must be - secured and fastened with screws if holes are present. If at any time the filter equipment, chemical feed system, pump stops working, or the main drain cover has been removed or is broken, the pool must - be closed immediately Pool must have - 1.0-10.0ppm Free Chlorine & 2.0-10.0ppm Bromine Wading Pool must have - 2.0-10.0ppm Free Chlorine & 2.0-10.0ppm Bromine Spa - 2.0-10.0ppm Free Chlorine & 2.0-10.0ppm Bromine Chlorine should be ____ in a pool and _____ in a wading pool or spa - one part per million; two part per million
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