Red Sea Fish Pharm ARE21406 Reagent Calcium Pro Refill Kit for Aquarium, 75 Tests

Red Sea test refill replenishes calcium pro test kit with sufficient reagent to conduct another 75-tests. Calcium pro test kit is an advanced calcium titration test, measuring the level of calcium in reef aquarium to an exceptionally high accuracy of 5 ppm. Calcium, an essential component in the building of coral skeletons, is constantly depleted from the aquarium and needs to be monitored on a regular basis. Conventional titration testing involves a cumbersome process of adding and mixing a titrant with sample water containing reagents.