Hanna Instruments Checker Marine Alkalinity Colorimeter

The Only Saltwater Alkalinity Tester at this Price! Easier to use and more accurate than chemical test kits Colorimetric method Accuracy 5 ppm 5% of reading 1 ppm (mg/L) resolution Large, easy to read digits Auto shut off Dedicated to a single parameter Designed to work with HANNAs liquid reagents Uses 10 mL glass cuvettes Small size, big convenience a