API Calcium Test Kit Saltwater Aquarium Water

API Calcium Saltwater Aquarium Test Kit! Testing your water's calcium levels regularly is important because it helps prevent invisible water problems that can be harmful to your underwater buddies. Calcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, mollusks and even some types of encrusting algae need calcium to grow and remain healthy. Invertebrates use calcium in aquarium water, which causes calcium levels to drop as over time. This API Calcium Saltwater Aquarium Test Kit measures calcium levels as low as 20mg/L. It contains two calcium test bottles, capped glass test tube and instructions. This kit is specially designed for use in reef aquariums. Key Benefits: Contains 1 API Calcium Test Kit Saltwater Aquarium Water and includes 2 bottles of testing solution and 1 glass test tube with cap.; Easy and accurate simply compare your results with the color chart and follow the included recommendations.; Corals, crustaceans, mollusks and some types of encrusting algae need calcium for skeletal growth.; This kit uses the titration method to measure calcium levels as low as 20 mg/L.; For use in saltwater aquariums only.;