Copper High Range Checker HI702 Other Chemi-pure Blue lasts longer than

Chemi-pure Blue lasts longer than your average filter medias and reduces the need for frequent water changes

The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog

Exceptional Palatability: Known in the hobby as the "go-to" food for finicky fish

before and after the deionization stage

Empties used reagents and sample into an external vessel (not included)

Copper High Range Checker HI702 Other Chemi-pure Blue lasts longer thanCompatible with fresh or saltwater! No longer do you need to read color charts, trust Hanna's HI702 Copper Checker to know the precise amount of copper in your aquarium water. The High Range Colorimeter gives greater precision over previous models and gives you a digital reading on a large LCD display. Copper is generally used in saltwater aquariums to help treat for common pests and diseases that may plague fish and is entirely safe at certain levels