Preis Microplan is a all-purpose nutrient solution for raising plankton cultures, Artemia salina, invertebrates, seawater and freshwater fish. PREIS Microplan, the starter feed for the raising of (oviparous) freshwater fish and the high-quality feed for all invertebrates, contains all nutrients and essential substances required for optimal growth. Corals need PREIS Microplan with all amino acids and vital substances 1-2 x per week. Become a successful breeder of live plankton, Artemia salina, and Japanese waterfleas. Dosage: 1 drop of 15 liters of water.Do you have questions about this article ?