-
Products
- Lab Instruments
-
Lab Meters and Probes
Calibration Standards Sension+ Meters and ProbesOther Meters and Probes Radiometer Probes
- Chemistries, Reagents, and Standards
-
Online Analyzers
Ammonium Analysers Ammonia Monochloramine Analyzers Chlorine Analyzers
- CL17sc
- CL10sc Amperometric
- 9184 sc Amperometric
- Ultra Low Range CL17sc Colorimetric Chlorine Analyser
EZ Series Analysers- Iron
- Aluminium
- Manganese
- Phosphate
- Chloride
- Cyanide
- Fluoride
- Sulphate
- Sulphide
- Arsenic
- Chromium
- Copper
- Nickel
- Zinc
- Ammonium
- Total Nitrogen
- Total Phosphorus
- Phenol
- Volatile Fatty Acids
- Alkalinity
- ATP
- Hardness
- Toxicity
- Sample Preconditioning
- Boron
- Colour
- Nitrate
- Nitrite
- Silica
- Hydrogen Peroxide
- Sodium
- EZ Series Reagents
- Flow and Collections
-
Online Sensors and Controllers
pH & ORP Sensors
- 12mm pH/ORP
- 8362 sc High Purity
- Combination pH/ORP
- Differential pH
- Digital Differential ORP
- Digital Differential pH
- LCP ORP
- LCP pH
Conductivity Sensors- 3400 Analogue Contacting
- 3400 Digital Contacting
- 3700 Analogue Inductive
- 3700 Digital Inductive
- 9523 Cation Conductivity
- 9525 DCCP System
- Automated Lab Systems
-
Multiparameter Online Panels
Multi-Parameter Event Detection and Security
- Claros Water Intelligence System
- Test Kits & Strips
-
Microbiology
Prepared Media InstrumentsDehydrated Media KitsLabware
- Accessories
- Funnels, Pumps & Manifolds
- Microbiology Filters
- Petri Dishes & Accessories
- Sampling Bags
- Vials, Tubes, Bottles & Racks
-
Lab Equipment and Supply
ApparatusInstrumentsGeneral Lab Consumables Safety EquipmentBooks and Reference Material Glassware/Plasticware
- Samplers
-
Hach eLearning
Lab Product Training Process Product Training
- AN-ISE sc
- Amtax sc
- B3500
- B7000
- CL17sc
- Differential pH Sensor
- Filtrax Sample Filtration Systems
- LDO sc
- Nitratax sc
- Orbisphere 6110
- Phosphax sc
- SC1000
- SC200
- SC4500
- Solitax sc
- TU5300sc/TU5400sc
- Parameters
- Software Solutions
- Industries
- Support
- News & Events
Login
Recurring Orders 
DPD Free chlorine, Swiftest dispenser reagent (refill)
Fast, easy reagent addition
Ideal for high volume total chlorine testing using Hach's high quality DPD powder
Just squeeze to add powder
No need to open reagent containers, less packaging waste
Boric Acid free!
Specifications
EPA compliant:
Yes
Method Name:
DPD
Method Number:
8021
Number of tests:
Approximately 250
Parameter:
Chlorine, Free
Platform :
Swiftest
Range:
0.02 - 2.00 mg/L Cl2