| Test | Pool | Fill |
| PHMB (sanitizer) | ||
| Hydrogen peroxide (shock) | ||
| Quat. algicide (algicide) | ||
| pH | ||
| Alkalinity | ||
| Calcium | ||
| Iron (Fe) | ||
| Copper (Cu) | ||
| less critical tests: | ||
| Manganese (Mn) | ||
| Nitrate (NO2, NO3) | ||
| Phosphate | ||
| Ammonia (NH4) | ||
Metals must be measured in both the pool water, and the fill water, because PHMB is destroyed by metals such as iron or copper. In a a chlorinated pool, often only pH levels + chlorine levels are measured, since chlorine is a santizer AND an algaecide AND an oxidizer. By contrast, PHMB is ONLY a sanitizer. The algaecide function is provided by special compatible algaecide; the oxidizer function is provided by peroxide. Thus, measuring PHMB + peroxide + algicide levels is the equivalent of measure ONLY chlorine, in a chlorinated pool.
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