This non-toxic formula has been developed to be beneficial to pond life. This is an enhanced blend of good bacterias that have been patented for increased performance in your pond. Helps to produce large quantities of digestive enzymes in an aquatic environment to help create a clean, healthy pond. Helps to create a healthy, balanced pond when used regularly. Helps to reduce the effects of pea soup algae, string algae and sludge that builds up at the bottom of the pond. 8oz Treats up to 8,000 Gallons one time.