A blend of Pavlova, Isochrysis, Thalassiosira weissflogii, Tetraselmis, Nannochloropsis, and Synechococcus, marine microalgae most commonly used by universities and hatcheries for their superior nutritional value for aquaculturing a wide range of marine filter feeders—including  feeders including corals, Tridacnid clams, scallops, feather dusters, tunicates and zooplankton. Particle size is 1 -15 micron.