the item has 6 test included. It may take sometime to dissolve the reagent because Copper is a hard metal. HI747 Checker HC is supplied with sample cuvettes with caps (2), copper LR reagent starter kit (reagents for 6 tests), battery, instructions and quick start guide. Features at-a-glance: Easier to use and more accurate than chemical test kits Dedicated to a single parameter Small size, big convenience Ideal for: Water quality, Environmental, Plating, Education