Which practice can help maintain proper water chemistry in a swimming pool?

Testing water quality periodically is crucial for maintaining proper water chemistry in a swimming pool because it allows operators to monitor levels of key parameters such as pH, chlorine, alkalinity, and stabilizer. Regular testing helps identify any imbalances before they lead to problems, ensuring a safe and comfortable environment for swimmers. It enables prompt adjustments to be made as needed, promoting a healthy swimming experience and preventing issues like algae growth, cloudy water, or skin irritation.

In contrast, limiting chemical use without proper testing could result in inadequate sanitation or imbalances, leading to water quality issues. Testing only when algae is visible might mean waiting until a significant problem has developed, making treatment more difficult and potentially unsafe for users. Relying solely on chemical manufacturers for guidance can also be problematic, as different pools may require tailored approaches based on their specific conditions and usage. Regular testing empowers operators to make informed decisions tailored to their unique pool environment.