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The HI783 Marine Magnesium Checker®HC is a portable colorimeter that uses the Beer-Lambert principle to determine magnesium concentration colorimetrically.

The HI783 was specifically designed to measure magnesium levels in saltwater aquariums or marine biology applications. The 1000 to 1800 ppm range is ideal for keeping coral/fish or just fish aquariums.

Ideal for aquariums and marine biology
Easier to use and more accurate than chemical test kits
Small size, big ease

Main applications

Marine Biology, Saltwater Aquariums and Aquaculture.

The Checker®HC HI783 is supplied with sample cuvettes with caps (2 pcs.), Marine Magnesium Reagent Starter Kit (25 tests), 1 ml graduated syringe with tip (1), 5 ml syringe with imprinted tip in black (1), 5 ml syringe with tip with blue printing (1), 1.5V AAA battery (1), instruction manual and quick guide for use.