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USEPA CERTIFIED QUALITY – Trusted for drinking water and wastewater chlorine analysis using Hach Method 8021.
ACCURATE CHLORINE MEASUREMENTS – Covers a 0.02-2.00 mg/L Cl₂ testing range to support reliable water monitoring.
CONVENIENT 100-PACK – Pre-measured powder pillows designed for smaller-scale or routine testing applications.
COMPATIBILITY YOU CAN RELY ON – Intended for seamless use with Hach colorimeters and spectrophotometers for effective results.
VERSATILE APPLICATIONS – Ideal for testing groundwater, municipal water, and surface water quality.
Hach 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100)