Aquavitro seed will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". Seed is formulated specifically for the aquarium and contains a synergistic blend of aroebic, anaerobic, and faculatative bacteria which facilitate the breakdown of waste organics, ammonia, nitrates and nitrites. Use 7 ml for every 15 gallons on the first day with a new aquarium. Use 7 ml for every 30 gallons for the next 7 days.