For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting in drinking water and wastewater analysis using Hach Method 8021. For best results use with a Hach colorimeter or spectrophotometer.

Pack of 1000 powder pillows.

Boric Acid Free!

*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.

2105528, Free Chlorine Reagent Pillows, 10 mL, 1000 pk

SKU: 2105528
    • Range from: 0.02 - 2.00 mg/L Cl₂
    • Sample Size: 10 mL