Chlorella vulgaris is a type of green micro algae that is an excellent source of nutrition to feed small aquarium creatures like micro-organisms, which inturn feeds arthropods, and amphipods living in your aquarium. Our starter culture comes with directions to start a 2 liter main culture, plus pipettes and a special fertilizer mixture made specifically for Chlorella. This algae is a great way to naturally increase the biodiversity of your aquarium and provide natural food sources for your inhabitants. Buy Chlorella vulgaris today to provide a better home for your fish and other aquatic creatures