USEPA accepted for reporting drinking water analysis using Hach Method 8021. For best results use with a Hach colorimeter or spectrophotometer.

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USEPA accepted for reporting drinking water analysis using Hach Method 8021. For best results use with a Hach colorimeter or spectrophotometer.



  • USEPA ACCEPTED – Approved for chlorine reporting in drinking water and wastewater analysis using Hach Method 8021.
  • HIGH CAPACITY – Includes 1000 powder pillows, ensuring ample supply for frequent testing needs.
  • PRECISE RANGE – Measures free chlorine concentrations from 0.02 to 2.00 mg/L Cl₂ for accurate water quality monitoring.
  • COMPATIBLE WITH HACH INSTRUMENTS – Optimized for use with Hach colorimeters and spectrophotometers to ensure reliable results.
  • VERSATILE APPLICATIONS – Ideal for testing groundwater, municipal water, and surface water quality.
  • USEPA ACCEPTED – Approved for chlorine reporting in drinking water and wastewater analysis using Hach Method 8021.
  • HIGH CAPACITY – Includes 1000 powder pillows, ensuring ample supply for frequent testing needs.
  • PRECISE RANGE – Measures free chlorine concentrations from 0.02 to 2.00 mg/L Cl₂ for accurate water quality monitoring.
  • COMPATIBLE WITH HACH INSTRUMENTS – Optimized for use with Hach colorimeters and spectrophotometers to ensure reliable results.
  • VERSATILE APPLICATIONS – Ideal for testing groundwater, municipal water, and surface water quality.

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