Product Number: 2589599
For ultra low range hardness determination by the Chlorophosphonazo method.
Hach Method 8374. Range: 4 - 1000 µg/L Ca & Mg as CaCO3.
Chlorophosphonazo solution reagent packaged in solution pillows.
Requires CDTA Reagent, Cat. No. 2589723.
100 Tests.