The Certified Pool Operator Is a Risk Manager
The CPO is positioned as a risk manager—responsible for operational oversight, documentation, regulatory compliance, and the protection of bathers, staff, and facility assets.
Understanding LSI, Range Chemistry, and Real Water Balance
Certified Pool Operator Classes: Understanding LSI, Range Chemistry, and Real Water Balance If you’ve ever taken one of my Certified Pool Operator classes, you already know this:Water balance is not…
Regulations & Guidelines
A Professional Summary for Certified Pool Operators - Regulations & Guidelines Executive Summary Aquatic facility operations are not governed by a single rulebook. They function within a layered regulatory framework…
Maintaining Safe Water Chemistry
One of the primary responsibilities of a Certified Pool Operator (CPO) is to maintain not just proper swimming pool water chemistry but also safe water chemistry. Balanced water chemistry is essential…
What Does a Certified Pool Operator Actually Do?
What Does a Certified Pool Operator Actually Do? (Beyond Just Testing Pool Water) When many people hear the term Certified Pool Operator (CPO), they imagine someone walking around the pool…
Oxidation Is Not Sanitation: What a CPO Needs to Know
Oxidation Is Not Sanitation: What Certified Pool Operators Need to Understand About ORP The Olympic Pool, ORP Misinterpretation, Copper Expression, and Why Green Water Is a Symptom — Not a…
Heavy Metals and Algae Control in Swimming Pools
Advanced Pool Chemistry for Certified Pool Operator (CPO) Classes - Algae Control in Swimming Pools In many pool industry conversations, the wrong question gets asked: “Do metals kill algae?” That…
The Truth About Phosphates, Algae, and Pool Chemistry
The Truth About Phosphates, Algae, and Pool Chemistry Let us start with the sentence that will upset half the internet: Phosphates do not reduce chlorine effectiveness.Moreover, on top of that,…
Langelier vs. Carrier vs. Wojtowicz: Strengths, Shortfalls, and Accuracy in Swimming Pool Water
The Langelier Saturation Index, or LSI, was developed by Wilfred Langelier in 1936 to predict the stability of calcium carbonate in water systems. His original method calculated a saturation pH…
Tech Bulletin: Metals & Pool Water Quality
Metals in Swimming Pools: Pool Water Quality, Diagnostics, Decision Paths, and Alum Copper Stain Removal Diagnostics Metals in pool water—copper, iron, manganese—show up as stains, odd water colors, or persistent…
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