Description
HACH DPD FREE CHLORINE SWIFTEST REFILL PK250
For free chlorine determination by the DPD Free Chlorine method. For use with Hach Swiftest DPD dispenser. USEPA accepted for reporting for drinking water analysis using Hach Method 8021.
- Fast, easy reagent addition.
- Just squeeze to add powder.
- Boric Acid free.
- Approximately: 250 Tests