Notice a genuine difference in your marine aquarium with Reef-Roids Engineered Coral Food by PolypLab, which aids in fast growth, excellent coloration and minimizes water degradation. Filter feeding corals such as Goniapora, Zoanthids and Mushrooms to name a few, absolutely love this tasty blend of naturally occurring marine planktons which also contain a species of zooplankton. This highly recommended food will demonstrate a huge response from your corals with continued use.