For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting for drinking water analysis using Hach Method 8021. Range: 0.02 - 2.00 mg/L Cl₂. Sample Size: 10 mL. Pack of 100 powder pillows. Boric Acid free! *This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States. Hach will not ship internationally OR through a freight forwarder.
