Deltec Aqua Crown Hydro Carb

Hydrocarbonate is a pure natural product. It is used in Calcium Reactors, and may be used in filters to increase the hardness of water, and as a substrate material in marine or Malawi/Tanganyika aquaria.

In a Calcium Reactor supplied with CO2, the hydrocarbonate is completely dissolved to calcium bicarbonate, becoming available for use by hard and many soft corals, sponges, echinoderms, etc.