Reagent Powder Pillows is required for free chlorine evaluation in water and other liquids.
Article 2197846 is required for free chlorine up to 3.5mg/L Cl₂ evaluation with Free and Total Chlorine Color Disc Test Kit CN-66 (223101) in water and other liquids. 100 Powder Pillows are sealed in each product package. Reagent Powder Pillows can be used to conduct analysis of 5mL sample.
Sample preparation
Store the product in tightly closed containers in a dry, cool and well-ventilated place.
| Brand | Hach |
| Number of tests | 50 tests |
