Hach DPD Free Chlorine Reagent Powder Pillows, 25 mL, Pack of 100, Ranges - LR: up to 2.00 mg/L; MR: 0.05-4.50 mg/L; HR: 0.1-10.0 mg/L Cl₂, USEPA Accepted Method 8021, Water Analysis, 1407099

Hach DPD Free Chlorine Reagent Powder Pillows, 25 mL, Pack of 100, Ranges - LR: up to 2.00 mg/L; MR: 0.05-4.50 mg/L; HR: 0.1-10.0 mg/L Cl₂, USEPA Accepted Method 8021, Water Analysis, 1407099

• USEPA CERTIFIED QUALITY – Trusted for drinking water and wastewater chlorine analysis using Hach Method 8021.
• ACCURATE CHLORINE MEASUREMENTS – Covers testing ranges LR: up to 2.00 mg/L; MR: 0.05 - 4.50 mg/L; HR: 0.1- 10.0 mg/L Cl₂ 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.