Hanna HC - HI758 - Marine Calcium Checker Filefish 2mm) and medium (+/- 3

2mm) and medium (+/- 3

Clean Refractometer as above and store in a clean dry place

This fine control allows gradual changes and guarantees accurate maintenance of algae nutrient levels required to safely reduce nuisance algae and bring the symbiotic zooxanthellae algae to the optimal levels needed for boosting coral growth and coloration

5”) Ordering Information HI755 Checker® is supplied with (2) sample cuvettes with caps

Hanna HC - HI758 - Marine Calcium Checker Filefish 2mm) and medium (+/- 3The Hanna Marine Calcium Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional