so wut you are saying is that the ammonia can be lowered with no wc's except your weekly one right? Im not sure what you are asking. Is your tank still cycling? You shouldnt do any water changes when your cycling, wut fish are in there? If it gets too high then yeah, i guess wut you rfriend is saying is by not doing any wc's, your starting a bacteria colony, and it will go down as they convert ammonia to nitrates