Kent Marine ChromaMax 1 oz is a super-concentrated phytoplankton suspension for filter feeding invertebrates.A highly-concentrated blend of aquacultured, naturally-occurring phytoplankton, rich in protein, omega-3 and omega-6 fatty acids, phytonutrients, carotenoids, vitamins, and mineralsCarotenoids have been shown to increase coloration intensity of blue, green, orange, yellow, and red pigments in tissues of filter-feeding marine invertebratesSize range is optimal for feeding a wide range of filter-feedersProperly preserved, contains no alcohol; Requires no refrigeration or freezing.