nitra zorb is the first water filtration media to remove ammonia,nitrite and nitrate in freshwater aquariums.nitra zorb is a blend of natural and synthetic ion-exchange resins that selectively remove ammonia,nitite and nitrate when used in new aquariums "2 month old setup is pretty new"nitra zorb controls the level of toxic ammonia and nitrite during the initial development of the biological filter,in established aquariums, it helps control sudden surges or ammonia. its called "nitra zorb pouch" really great product i recomend you to try it it takes 4 weeks to start working, it was only 3 weeks for me keeps my water crystal, and saves big bucks on water conditioners because less water changes,* whitch doesnt mean stop doing them* even if ammonia allways says 0, good luck i had the same problem as you in my 2 month ecosystem stage and i wasted alot of money on water conditioners. happy to help