Hanna Marine Magnesium Pocket Checker Marine Dry Rocks where it can graze on

where it can graze on natural algae growths and exhibit its curious and active behaviour

mimicking the kind of shelter they would find in the wild

30 days (60 Feedings)

Avoid constant high tropical temperatures

Ideal for aquarists facing the challenge of storing an ever-increasing range of aquarium accessories

Hanna Marine Magnesium Pocket Checker Marine Dry Rocks where it can graze onHI783 Hanna Marine Magnesium handheld pocket checker is designed to determine the concentration of magnesium in saltwater aquariums. It features a single button operation system and is easy to use. The large LCD is easy to read and the auto shut off feature assures the battery will not be drained. SpecificationsRange 1000 to 1800 ppm MagnesiumResolution 5 ppmAccuracy 5% of reading @ 25 C (77 F)Light source Light Emitting Diode @ 610 nmLight detector