my tank is about one and a half month now, i just did a no2 and no3 check but they ar 0 i didnt do a nh3 nh4 check cuz i dont have the test kit so m i still on cycling? how come i dont see any no2 yet? m i fail to cycle? mine is 23 gal and got 5 fishes in it, i know is a bit too much and added fish too fast on cycling.