Hikari Cloram-x Patented Ammonia Remover. Liquid Buffered ClorAm-X® utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up ammonia before the health of your fish is impacted, a common process with most other ammonia removers. Look for the ClorAm-X® logo and USA patent number to prove you've chosen the leader and most dependable ammonia remover available worldwide! For Decades The Safest & Most Dependable Water Conditioner Destroys chloramines Removes ammonia and chlorine reliably every time Won't affect dissolved oxygen levels Reduces chances of pH drop Makes a safe environment for your aquatic pets Used by fish wholesalers and breeders to ship fish safely Available Sizes: 4 oz. (118mL) - (Treats 600 gallons ~ 2271L)