This Phosphorus Reactive HR K008 reagent is designed to measure phosphorus levels in water with a range of 0.3-45 mg/L. It is manufactured by LDB Kit and is easy to use with a spectrophotometer. The reagent provides accurate and reproducible results and is suitable for use in a variety of laboratory settings. With its high sensitivity and wide range, this Phosphorus Reactive HR reagent is an ideal choice for any laboratory.