The T-H Marine G-Juice Powered by U2 Pro Formula Livewell Fish and Bait Booster removes nitrates, ammonia, chlorine, chloramines, and heavy metals, all while adding essential electrolytes to fish and bait stored in your livewell. Non-toxic to humans, pets, and aquatic life, this fish and bait booster also helps to replace essential skin slime. Removes nitrates and other toxins Adds essential elctrolytes Non-toxic