Check the listing for details. Aquarium, API Calcium Test Kit (Calcium Test Kit). Condition: New. Listed at 19.69 USD. Home About Us Feedback Add Us Description Aquarium Pharamceuticals Calcium Test Kit Liquid allows you to easily and accurately measure the calcium level and maintain a healthy aquarium. * CA2+ test kit * Monitor calcium for healthy coral growth * For saltwater Monitoring calcium levels is essential for keeping a successful reef aquarium. Reef organisms use calcium to build a calcium carbonate skeleton. Over time, as the calcium in the water is utilized, the calcium level will gradually drop. Calcium must be present for corals to grow. Calcium Test Kit Liquid contains: two dropper bottles for accurate dispensing of test solutions, easy to read instructions and a color chart, a non-staining glass test tube with snap-tight cap. Features: API Calcium Test Kit Calcium Test Kit Pet Type: Aquarium Category: FW & SW Testing & Reagents Condition: New