Hanna Marine Magnesium Pocket Checker Marine Dry Rocks mimicking the kind of shelter

mimicking the kind of shelter they would find in the wild

This 16kg package comprises high-quality ceramic material and minerals

It enhances the colour of the Hiban (red areas) without negatively impacting the Shiroji (white areas)

Midnight black aluminium

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

Hanna Marine Magnesium Pocket Checker Marine Dry Rocks mimicking the kind of shelterHI783 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