Hanna Instruments Marine Magnesium HI-783

HI783 Marine Magnesium handheld checker is designed to determine the concentration of magnesium in saltwater Aquariums.
Easier to use and more accurate than chemical test kits
Dedicated to a single parameter
Small size, big convenience
Ideal for: Aquariums, Environmental, Aquaculture, Water Quality
Supplied with
2 sample cuvettes
Cuvette cap
Starter pack of reagents x 25 tests (re-ordering information: HI-783-25 x 25 tests)
1 x 1.5 AAA battery
Instructions
Range 1000 to 1800 ppm Magnesium
Resolution 5 ppm
Accuracy ±5% of reading @ 25 °C (77 °F)