A full gallon of freshwater copepods at peak density, our biggest freshwater culture. For breeding programs and anyone stocking multiple tanks at once. All freshwater, cultured in house in Vermilion, Ohio and bottled fresh the morning it ships. Orders go out Monday through Wednesday only so nothing sits with a carrier over the weekend. 100% live arrival guarantee, if anything shows up DOA I reship it free, no photos or claim forms needed.