Hanna Magnesium Checker Substrates & Decor Remove the old probe from

Remove the old probe from the monitor

LED lamps: 2 x 12W

Package size: 160g

12 inch hybrid cone body: Large body helps reduce turbulence and concentrate rising foam

alternating from pale yellow to deep chocolate

Hanna Magnesium Checker Substrates & Decor Remove the old probe fromHanna Magnesium Checker The Hanna Magnesium Checker HI783 is a marine handheld colorimeter designed to measure magnesium from 1000 to 1800 ppm in saltwater aquariums. It provides a digital magnesium result for reef keepers who want easier, more repeatable testing than traditional colour comparison or titration style magnesium kits. HI783 Marine Magnesium Testing Magnesium helps stabilize the relationship between calcium and alkalinity in reef