Selcon can be fed to live brine shrimp several times per week. It contains marine lipids and highly unsaturated fatty acids that benefit filter-feeding invertebrates, such as eels, worms, and shrimp. While it can result in an initial cloudy water color, it is beneficial for all kinds of fish, invertebrates, and plants. And because it is non-toxic to humans, Selcon is safe and environmentally-friendly