Hanna Marine Magnesium Pocket Checker Marine Dry Rocks Particularly strong consumption in the

Particularly strong consumption in the reeftank can be individually and easily adjusted and supplied as needed

Avoid constant high tropical temperatures

30 days (60 Feedings)

Midnight black aluminium

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

Hanna Marine Magnesium Pocket Checker Marine Dry Rocks Particularly strong consumption in theHI783 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