ESV Aquatics B-Ionic Calcium Buffer System, 2-part Calcium and Alkalinity Maintenance Kit for Salt Water Coral Reef Aquarium, 64 Ounce

B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system, which does not contain any organic compounds. It solves many of the problems associated with other forms of calcium and alkalinity supplementation. This product was developed as a result of our new approach to aquarium additive formulation, "Balanced Ion Technology". Includes Part 1: Alkalinity Component Part 2: Calcium Component.