Hanna Phosphate Low Range Reagent Set for HI 713 Checker HC - 25 Tests

Used in conjunction with the Hanna Instruments HI 713 Checker HC Colorimeter, this reagent set enables you to accurately measure Low Range Phosphate (0 to 2.5 ppm) in freshwater, marine, and reef aquariums. Refill provides enough reagent to conduct 25 water tests.