Target Range: 7.2-7.8 (ideal 7.4-7.6) Test Frequency: Daily / Every service visit

On a weekly service route, total alkalinity (TA) is one of the most important — and most underappreciated — parameters you test. It does not act alone...

Target Range: 60-120 ppm Test Frequency: Weekly to monthly (once stable)

On a weekly service route, calcium hardness (CH) is often viewed as a long-term parameter, but it plays a direct role in surface protection, water bal...

Target Range: 200-400 ppm Typical Operating Range Test Frequency: Monthly

On a weekly service route, cyanuric acid (CYA) is one of the most important parameters you test because it directly controls how chlorine behaves in w...

Target Range: 30-50 ppm (outdoor pools) Test Frequency: Monthly

On a service route, total dissolved solids (TDS) is one of the least actionable parameters you can test. It is often included on reports, but in most ...

Target Range: No fixed limit; Historically ≤ 1,500 ppm above source water Test Frequency: Occasional / quarterly

Welcome to the latest edition of our popular “Can You Top This?” column, featuring the newest entry in the Service Industry News “Horror File.” This i...