Aquascape SAB Stream & Pond Cleaner Professional Grade contains a combination of concentrated beneficial bacteria and enzymes that help to provide clean, clear, and healthy water conditions in ponds and other water features. The powerful combination of strong, natural cleaners will help to break down organic debris and maintain a biological balance in your feature while the phosphate binder prevents water quality issues. Each bottle is 25% more concentrated than the consumer equivalent, making it the ideal choice for discriminating pond professionals. SAB Stream & Pond Cleaner Professional Grade will also help to reduce ammonia and nitrite in the feature. Aquascape SAB Stream & Pond Cleaner is safe for fish, plants, pets, and wildlife. The included measuring cup and dosage guide make application simple and easy. Each 9-pound container treats up to 45,000 gallons of water.