SwifTest(TM) DPD Free Chlorine Reagent Dispenser
- DPD Free Chlorine Reagent Dispenser and Reagent Vial, 250 Tests
- USEPA accepted for reporting drinking water analysis using Hach Method 8021
- Sample Size: 10 mL
- Range: up to 2.00 mg/L
- Contains 1 Refill Vial with enough reagent for 250 Tests
- Backed by over 20 years of DPD experience!
- For best results use with a Hach colorimeter or spectrophotometer.