Do you have a first Aid Kit for your aquarium? Begin your collection by adding The Red Sea Calcium Test Kit. This is part of the Marine Care Program which includes 75 titration tests in total, along with graphic instructions and conversion tables. This kit provides a quick and accurate 15ppm or 30ppm Calcium measurement for your aquarium according to your requirements. Always make sure you have the tools necessary for testing and treating your aquarium; especially for an unexpected emergency.