Hanna Marine Magnesium Checker green Unique complex that provides trace

Unique complex that provides trace & minor elements that benefits discus & other similar fish

Salts of Barium

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

Provides elements utilized to incorporate into natural biopigments for coloration

Hanna Marine Magnesium Checker green Unique complex that provides traceStop 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