GroTech Calcium pro Liquid, 5000ml
The solution for a quick increase of the calcium contents
In the marine water aquarium, great quantities of Calcium and Magnesium are required,
in order to achieve an optimum growth of corals and red calc algaes.
Calcium is indispensable for a natural growing of corals.
The ideal Ca-content of the ocean is abt. 400-450mg / liter.