Hach Color Disc Test Kits are used for simple and reliable measurement of various water quality parameters. Each kit contains all necessary reagents and apparatus in a durable carrying case for convenient transportation. Simply add reagents into the sample, set tubes with pretreated sample in the color comparator box, rotate the wheel until the sample matches the reference color and read the concentration results displayed in the window. All test kits from Hach provide fast and accurate testing results with the cost-efficient color disc method and are available for the determination of free and total chlorine, iron, pH, nitrite-nitrogen, orthophosphate and other parameters in multiple ranges.
