Hanna Magnesium Checker HI783 - Marine
Hanna Magnesium Checker HI783 - Marine
Hanna Instruments

Hanna Magnesium Checker HI783 - Marine

  • SKU: HI783
  • Availability: In Stock In Stock OUT OF STOCK In Stock

    The Hanna HI783 marine magnesium checker provides an uncomplicated, accurate, and budget-friendly way to measure magnesium in saltwater/marine environments. Color-coded syringes and straightforward testing steps ensure quick and easy measurements every time! Magnesium is vital in saltwater environments as it allows calcium and carbonate to be bioavailable for corals and invertebrates. Designed as a more accurate alternative to chemical test kits, this Marine Magnesium Checker HI783 provides quick, accurate results in a few easy steps.


    • Fewer steps and more accurate than other chemical tests
    • Color-coded syringes for simple and effortless testing
    • Dedicated to a single parameter
    • Auto shut-off feature for battery conservation
    • Dedicated to a single parameter
    • Small size, big convenience
    • Ideal for Saltwater Aquariums, Marine Biology, and Aquaculture Applications


    • Range: 1,000 to 1,800 ppm Magnesium
    • Resolution: 5 ppm
    • Accuracy: ±5% of reading @ 25 °C (77 °F)
    • Light Source: LED @ 610 nm
    • Light Detector: Silicon photocell
    • Method: Adaptation of the colorimetric EDTA method using calmagite indicator. The reaction between magnesium and the reagents causes a blue to violet tint in the sample.
    • Battery Type: (1) 1.5V AAA
    • Auto-off: After 10 minutes of non-use
    • Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing Prepared sample cuvette (sample plus reagents) must be 18 to 28 °C (64 to 82 °F).
    • Dimensions: 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
    • Weight: 64 g (2.3 oz)

    Need More Reagent? Click Here: HI783-25 Marine Magnesium Checker Reagents (25 Tests)

    Instruction Manual: Click Here