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.