Marine Magnesium Checker HI-783 – Hanna

Stop relying on chemical test kits that have limited accuracy. Get accurate water testing results with our simple handheld colorimeter for freshwater. Don’t waste anymore time matching your sample to a color chart. With our magnesium hardness colorimeter you get more precise technology than your typical chemical test kit. Our handheld colorimeter eliminates the hassle of color matching by providing a direct magnesium hardness result digitally.

Easily carry our portable handheld colorimeter in your pocket.
Get your magnesium hardness results simply with one-button operation
Ensure consistent results across samples with the built in reaction timer.