API Calcium Test Kit for Saltwater and Reef Aquariums

2 in stock now at our store
In-Store price today: $ 16.39

The API Calcium (CA²⁺) Aquarium test kit is accurate and easy to use. In marine aquariums that contain invertebrates, especially stony corals, calcium must be maintained at proper levels for optimal animal health. When monitoring calcium, it is also important to monitor Kh (carbonate hardness), pH and phosphate levels.

Complete testing instructions can be found here.