| Prime Conditioner for Marine & Freshwater Fish, 3.4 FZ Prime is the complete and concentrated conditioner for both fresh and salt water.Prime removes chlorine, chloramine, and ammonia. It converts ammonia into a safe, non-toxic form that is readily removed by the tank's biofilter.Prime may be used during... ... more Prime Conditioner for Marine & Freshwater Fish, 3.4 FZ Prime is the complete and concentrated conditioner for both fresh and salt water.Prime removes chlorine, chloramine, and ammonia. It converts ammonia into a safe, non-toxic form that is readily removed by the tank's biofilter.Prime may be used during... Petco.com | | $4.59 go to store |