Vinegar Eel Culture - This is a starter culture sufficient enought to kick-start your new adventure into live foods for your fry and nano species. You would simply dump this starter into your culture jar you set up - See link below - No need for us to re-invent the wheel so please follow this link from Amazona Magazine here if you have questions about how to culture these https://www.amazonasmagazine.com/2015/11/16/freshwater-food-culturing-101-vinegar-eels/