How to Pass the 2026 CPO Exam (Certified Pool Operator) - Water Chemistry & MAHC Guide

Your free guide to the 2026 PHTA Certified Pool Operator (CPO) exam. This video breaks down the 50-question test, the 74% passing score, and the most critical content areas. We cover the water chemistry math that trips up most candidates, including the Langelier Saturation Index (LSI), and review key regulations from the CDC's MAHC 5th Edition (2024).

Read the full guide and access free practice questions:
https://open-exam-prep.com/blog/cpo-certified-pool-operator-exam-guide-2026

Topics covered:
- PHTA vs NSPF: What's new for 2026
- CPO Exam Format and Passing Score
- The 5 Key Water Chemistry Parameters
- Pool Math: LSI, Dosing, and Turnover Rates
- MAHC Fecal & Crypto Response Protocols
- VGB Act and Drain Safety
- Filtration Systems Explained

⏱️ Timestamps:
0:00 - Introduction
0:08 - Scene 1
0:43 - Scene 2
1:16 - Scene 3
1:49 - Scene 4
2:20 - Scene 5
2:52 - Scene 6
3:25 - Next steps

Recommended study resources:
Disclosure: As an Amazon Associate, Open Exam Prep earns from qualifying purchases. We may earn a commission if you buy through these links.

- Pool-Spa Operator Handbook Study Guide 2026-2027: Ace Your Certification Exam with 710 Practice Questions, Water Chemistry Guides, and Proven Strategies: https://www.amazon.com/dp/B0GFDK9256?tag=openexamprep-20
- POOL & SPA OPERATOR MANUAL AND STUDY GUIDE 2026-2027: https://www.amazon.com/dp/B0GS9ZY5X8?tag=openexamprep-20
- Florida Commercial Pool Contractor: 2019 Study Review & Practice Exams: https://www.amazon.com/dp/1091567433?tag=openexamprep-20

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