The Hanna Marine Alkalinity Checker® measures alkalinity in dKH units, using a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the read more ››
Replacement reagents for the Hanna Marine Alkalinity (dKH) Checker® HC – HI772. These high-quality reagents are manufactured in Hanna's state-of-the-art facility and are clearly marked with the read more ››
Designed to bring simplicity to salinity testing, the Marine Salinity Tester measures conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and read more ››
The Hanna HI774 Ultra Low Range Phosphate Checker® HC (Handheld Colorimeter) is a cost-effective way to measure phosphate from 0.00 to 0.90 ppm, in marine systems, including reef tanks. Designed as read more ››
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