Hanna Marine Magnesium Checker green Provides elements utilized to incorporate

Provides elements utilized to incorporate into natural biopigments for coloration

Allow the freshly-made seawater to mix thoroughly with a submersible pump for not less than one hour

The HI719-25 are the replacement reagents for the HI719 Magnesium Hardness Checker® HC

as accuracy will be affected

It isn't only useful when you're away on vacation

Hanna Marine Magnesium Checker green Provides elements utilized to incorporateStop 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