MarineSnow is a plankton like food for filter-feeding marine invertebrates. This first of its kind product reproduces the special biogenic suspended matter found in natural seawater. These aggregates are known to be an important element in the food chain of marine ecosystems. They have been a missing element in closed system aquaria until now. MarineSnow is a food for tropical and coldwater marine animals that feed on particulate and dissolved organice matter, phytoplankton and zooplankton. MarineSnow is based on the comonents of ocean plankton, does not contain yeast or egg solids and is blended to provide food packages of the right size range for filter feeders. Two sizes available 250ml or 500ml