Hanna Instruments Marine Calcium Reagents Set
Used in conjunction with the Hanna Instruments HI 758 Checker HC Colorimeter, this reagent set enables you to accurately measure Calcium (200 to 600 ppm) in marine and reef aquariums. Refill provides enough reagent to conduct 25 water tests.
The HI758-26 are the replacement reagents for the HI758 Marine Calcium Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.