EasyBooster is a gel type food that contains suspended phytoplanktons and microscopic vegetable cells that aid in the metabolic process of filter feeders like clams, corals, and other invertebrates. It is shelf stable for up to 18 months if unopened. Comes in three sizes: 14 Single Dose 1.2mL Packets, 28 Single Dose 1.2mL Packets, and 250mL Pouch.