Pool Operator: CPO Prep 2026

CPO exam prep plus a pool chemical balancer for chlorine dosing calculations.

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Pool Operator: CPO Prep 2026 combines Certified Pool Operator exam preparation with a Pool Chemical Balancer tool. The balancer takes water test results for pH, free chlorine, alkalinity, and cyanuric acid, and tells the user how much chlorine to add. Built by Deeun Inc. for pool operators and CPO candidates.

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