Aquascape Dry Beneficial Bacteria for Pond and Water Features, 4.4-Ounce | 98925 Combination of natural cleaners helps to provide clear, healthy water; maintain a strong biological balance in your pond Eight pure strains of concentrated beneficial bacteria; contains marigold and vitamin B 3.0 billion CFU per ounce potency, ensuring consistently effective treatment Easy-to-use scoop measures 1,300 gallons of treatment per scoop 1 container treats 26,000 gallons of water