Preis Discus Minerals supplement osmosis water and soft tap water with the required amount of trace elements and minerals to osmosis water. They thus help avoid conditions resulting from insufficient concentrations of these substances, such as fungus-stricken eggs, crippled offspring and darkened colors of your aquarium dwellers. Preis Discus Minerals provide an easy professional remedy to mineral deficiencies. Discus Minerals is also perfect for water treatment for viviparous species and Malawi and Tanganyika cichlids. The product is free of sodium chloride, thus avoiding uncontrolled increase of conductivity. Viviparous species tend to develop fungus infections and other diseases when the water is too soft. Preis Discus Minerals helps you create a healthy environment for these species.Preis Discus Minerals+ enhances the readiness to breed+ prevents fungus infections of eggs and skin+ enhances the growth of young fish+ prevents enppling of gills, tail and fins+ contains only pure mine