Deltec Hy Carb - Pure Natural Carbonate Granulate Pour the contents of the

Pour the contents of the vial into the aquarium

Reusable – clean with hot water for multiple uses

The bubble plate design allows the height of the skimmers to be reduced and allow them to fit in a cabinet

After the running-in period

Deltec Hy Carb - Pure Natural Carbonate Granulate Pour the contents of theDeltec Aqua Crown Hy Carb Deltec Hy Carb is a phosphate free, granular calcium reactor media specifically designed for use in Deltec fluidized bed calcium reactors. It's a pure, natural granulate that helps increase calcium and magnesium levels in marine aquariums. It's often used in conjunction with Deltec HyMag (a pure magnesium granulate) to achieve a desired magnesium concentration.