Aquascape Beneficial Bacteria Professional Grade helps to provide clean, clear, and healthy water conditions, significantly reducing pond maintenance. Each bottle is 25% more concentrated than the consumer equivalent and is packed full of eight pure strains of concentrated bacteria. Our Beneficial Bacteria Professional Grade will effectively reduce fish waste, organic plant material, sludge, and excess nutrients in ponds. Our contractor-grade bacteria contains a 4.5 billion CFU per ounce potency, ensuring consistently effective treatment, and the included marigold and vitamin B help to bring out the natural colors of your fish while maintaining proper fish health. The included measuring cup and dosage guide make application simple and easy. Each bottle treats 96,000 gallons (420,000 litres) of water. Aquascape Beneficial Bacteria Professional Grade is completely safe for fish, plants, pets, and wildlife.