Specially formulated to keep farm retention and irrigation ponds clean and clear. The specialized bacteria in PBL and HCSC have been chosen to naturally eliminate organic waste and sludge whle improving water quality and reducing nitirate compunds and phosphates. These undesirable compounds can lead to unwanted algae and weed growth. Microbe-Lift bacterial products are safe for people, livestock, fish, birds and all wildlidfe. Each kit contains 5 gallons of ML/Professional Blend Liquid (PBL) and 1 gallon of ML/High Count Spore Concentrate (HCSC).