Pond Magician is an all-purpose pond and lake enhancer that helps a pond maintain a natural ecological balance; It contains both aerobic (living or occurring only in the presence of oxygen) and anaerobic (grows and thrives in an oxygen-free environment) microorganisms and therefore can adapt to a wide variety of pond conditions; The key ingredient in Pond Magician contains a large number of different beneficial microorganisms; It is a probiotic culture (live microorganisms which when administered in adequate amounts confer a health benefit); It is non-toxic to fish, animals, plants and humans; It works by the method of "competitive exclusion"; The competitive exclusion principle states that two species that compete for the exact same resources cannot stably coexist; One of the two competitors will always have an ever so slight advantage over the other that leads to extinction of the second competitor in the long run; Pond Magician literally takes over the pond and helps keep the water clear, the algae under control, and the fish and other aquatic life healthy