Creates a healthy environment for your pond, promoting faster fish growth Safe for all wildlife in and around your pond. Breaks down organic sludge and slime. Reduces ammonia and nitrogen levels. Significantly reduces noxious odors caused by algae, fish fecal matter and urine. Reduces hydrogen sulfide, which creates strong, offensive odors. Reduces biological oxygen demand (B.O.D). Reduces buildup of bird droppings, fish feed and dead leaves. Reduces eggs and larvae of water-breeding insects, flies, mosquitos, etc. Breaks down marsh grasses, duckweed, and algae Improves dissolved oxygen.