Hanna HC - HI758 - Marine Calcium Checker Filefish 5”) Ordering Information HI755 Checker®

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

Clean Refractometer as above and store in a clean dry place

No risk of electrical discharge harming people or marine life

Based on Gyre patented

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

Hanna HC - HI758 - Marine Calcium Checker Filefish 5”) Ordering Information HI755 Checker®The 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