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High Energy (high light
Reliable holiday feeding for up to 14 days
Pour the contents of the vial into the aquarium
Its unique fibre structure effectively traps both large and fine particles
Deltec Hy Carb - Pure Natural Carbonate Granulate High Energy (high lightDeltec 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.