The Barnant 202300 water hardness test kit determines iron concentration in water using a color disc. The kit includes reagents for 100 tests and test apparatus in a plastic carrying case.
Thermo Fisher Scientific manufactures analytical instruments, laboratory equipment, consumables, and software under the Thermo Scientific, Fisher Scientific, Barnstead, and Nalgene brands, among others. The company is headquartered in Waltham, MA.