Hach Phosphorus, Orthophosphate (Reactive) Test Kit, Model PO-19
This easy-to-use kit provides fast, reliable results. Uses color disc/ascorbic acid method. Results expressed as mg/L PO4. Includes one reagent, color disc, comparator box, two viewing tubes, viewing adaptor, two bottles, dropper tube, deionized water, instructions, and carrying case. Kit performs 100 tests.
