Hanna Marine HR Nitrate Pocket Checker - HI-782 Marine Dry Rocks Confirm that the fish is

Confirm that the fish is feeding before purchase whenever possible

so a rigid container is preferable when moving the fish

stable salinity

and it is better suited to a carefully planned fish-only marine system

Hanna Marine HR Nitrate Pocket Checker - HI-782 Marine Dry Rocks Confirm that the fish isThe HI 782 Marine Nitrate High Range Colourimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colours visually. Measurements with a range up to 75. 0ppm Less complex laboratory grade accuracy Requires only 1 reagent Simple, intuitive operation (single button) Compact and precise whether at home, at