Hikari Usa AHK72224 Chloram-X Ammonia and Chloramine Remover for Aquarium, 4-Ounce Hikari chloram-x 4oz Liquid buffered chloram-x utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine Look for the chloram-x logo and USA patent number to prove you've chosen the leader in ammonia removal worldwide