The essential microorganism solution for a healthy, well-balanced and efficient bacterial fauna in a tank. Used in combination with ZEOfood and ZEOstart, partly building up bacteria plankton, that is absorbed by many corals which in turn leads to more intense coloration. Contains several bacterial strains that form a chain to reduce unwanted substances. Corals can use the added microorganisms as a food source. Removes slime algae the natural way.