Formulated with AZOX technology, S.E.L.C.O. Boost boosts general fish health and color, improves fish appetite and provides vitamin and fatty acid enrichment to help reduce disease. S.E.L.C.O. Boost is a self-emulsifying liquid concentrate of the highest quality omega 3 oils and allicin/allin. Fortified with vitamins and algae-based appetite stimulants, S.E.L.C.O. Boost has the powerful nutrients and carotenoids needed to boost aquarium food nutrition for the best results in health and color.