AmQuel quickly and effectively removes/detoxifies ammonia, chlorine and chloramines (three of the most toxic chemicals commonly found in tap water from public utilities) from fresh and salt water. AmQuel is the first to be a true one-step liquid ammonia and chloramine remover that is simple to use. Nontoxic to fishes, aquatic invertebrates, and other aquatic life. Treats 7,963 gallons fresh or saltwater aquariums. Shipping weight: 11 lbs.