ESV B-Ionic Calcium Buffer System Concentrate

ESV  is an economical alternative to a calcium reactor, and when used in equal parts, the aquarist can easily maintain calcium and alkalinity levels with no mixing of powders, disruption of ionic balance, or addition of organic chemicals. In addition to supplying highly concentrated calcium and carbonate alkalinity required for calcification, B-Ionic Calcium Buffer System is also formulated to provide all other important major, minor, and trace elements in the proper ratios to duplicate the composition of synthetic seawater. As a result, B-Ionic Calcium Buffer System will help restore inorganic ions lost from protein skimming and help maintain the ionic balance of your aquarium water. ESV B-Ionic has been in use for decades and it's a prefered brand by many aquarists. 

Available in ready to use units - 32 fl. oz., 64 fl. oz., 2 gallon, 10 gallon (drop ship only - special order)