Delivery: Kit comes in a cardboard box and contains everything needed to perform 30 tests: thirty ampoules, thirty zinc foil packs, acidifier solution, reaction tube and cap, 25 ml sample cup, ampoule blank, instructions, and MSDS. This kit requires the use of a CHEMetrics direct-readout photometer or a spectrophotometer capable of accepting a 13 mm diameter round cell. Instrument sold separately.