HACH DPD Total Chlorine Reagent, 5 mL Sample, Powder Pillows, PK/100: Product #: 1407699

DPD Method, Total Chlorine Reagent Powder Pillows Pack of 100 For use with Hach's Chlorine Visual Test Kits Sample Size: 5 mL Range: up to 3.5 mg/L Cl2 Backed by over 20 years of DPD experience!