--- title: "WQT Testing Parameters" description: "Measures 16 water quality parameters to provide an overview of the system water and help identify potential water quality issues." url: https://help.fernox.app/en/articles/113-wqt-testing-parameters collection: "Water Quality Test" updated: 2026-10-02 language: en alternates: [es, de, pl, fr, nl, cs, nl-be, fr-be, tr, sv, ro, sk] --- # WQT Testing Parameters Measures 16 water quality parameters to provide an overview of the system water and help identify potential water quality issues.

Parameter	Sample Measured	Mains Measured
Appearance	Yes	Yes
pH	Yes	Yes
Conductivity uS/cm	Yes	Yes
M-Alkalinity As CaCo3 mg/L	Yes	Yes
Total Hardness As CaCo3 mg/L	Yes	Yes
Hardness Deposition %	Yes	-
Aluminium mg/L	Yes	-
Iron mg/L	Yes	-
Copper mg/L	Yes	-
Phosphorus mg/L	Yes	-
Molybdenum mg/L	Yes	-

[ Postal Test Comparison The table below shows the various chemical testing parameters for the postal Fernox water testing products. ](https://help.fernox.app/en/articles/111-postal-test-comparison.md)