For free chlorine determination by the DPD Free Chlorine method. For use with Chlorine Visual Test Kits.For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting for drinking water analysis using Hach Method 8021.
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.

Free Chlorine Reagent Pillows, 5 mL, 100 pk

SKU: 1407799
    • Range: up to 3.5 mg/L Cl₂.
    • Sample Size: 5 mL.