Aquascape S.A.B. Stream and Pond Clean contains pure strains of concentrated bacteria and enzymes. Ideal for breaking down debris, this combination of natural cleaners helps to maintain a strong biological balance in ponds, streams, and waterfalls. Being an enclosed ecosystem, your pond's balance can be disrupted by various factors including: fish load, uneaten fish food, organics (leaves, sludge, debris), and algae treatments. S.A.B. Stream and Pond Clean helps maintain crystal clear water and a healthy pond environment. This 3.2 kg container treats up to 33,800 gallons.