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CALCIUM PRO (25 TESTS) Model Comparison   

By Red Sea 

Corals, calcareous algae and other invertebrates use large amounts of Calcium for the building of their skeletons or shells, which mainly consist of Calcium Carbonate (CaCO3).

Calcium easily precipitates (comes out of solution) as Calcium Carbonate, especially at higher pH values. Because of this, and as a result of continuous usage by invertebrates, this element is quickly used up in the limited volume of the marine aquarium.

* Advanced titration
* Saltwater only
* Test Range: Accurate to 20ppm
* For the accurate dosing of
advanced calcium supplements

$9.95  Buy