Carbon Dioxide for Pool pH Control

Carbon Dioxide for Pool pH Control is a practical field guide for pool technicians, aquatic facility operators, consultants, and maintenance professionals responsible for managing commercial swimming pools and spas.

For decades, carbon dioxide has been used as an alternative to mineral acids for pH control. Yet the technology remains surrounded by folklore. Operators are told that CO₂ causes runaway total alkalinity, consumes excessive gas, cannot cope with heavy bather loads, or is too difficult to install and manage.

This book examines those claims from both a practical and scientific perspective.

Drawing on more than forty years of field experience and hundreds of real-world installations, David Watson explains how CO₂ systems actually behave, where they work well, where they struggle, and why many commonly reported problems have little to do with carbon dioxide itself. [Davids_Boo...ded_150726 | PDF]

Topics include:

• Selecting suitable pools for CO₂ pH control
• Understanding and managing total alkalinity
• Installation of CO₂ storage, regulators, controllers and diffusers
• Gas safety, detection systems and ventilation requirements
• Controller operation and commissioning
• Optimising CO₂ efficiency and reducing gas consumption
• Practical troubleshooting of real-world facilities
• Acid dosing for alkalinity correction
• Henry's Law and gas behaviour in aquatic systems
• Langelier Saturation Index and water balance
• Consumption calculations, worked examples and field tools

Unlike many technical references, this guide focuses on what operators see every day on site. The chemistry and physics are explained in plain language, with practical examples, installation guidance, troubleshooting procedures, checklists and calculators designed for immediate application. [Davids_Boo...ded_150726 | PDF]

Whether you are designing a new installation, troubleshooting an existing system, or simply trying to understand why pH behaves the way it does, this book provides a practical framework for making better decisions.

CO₂ is not the problem. Understanding the system is.