Alright, so, each week for about a month now (since my melafix disaster!) has been causing ammonia spikes EACH WEEK! It's very annoying. My tank is 6.5 gallons and I have one betta fish, Duck. My parameters last week were: 0 nitrite 0 nitrate (is my tank even cycled?) 4 ppm ammonia 7.4 pH I did a 75% water change and cleaned EVERYTHING out. With the tank water. And cleaned the filter, all of it, with tank water, until it was between 0-.25 ppm and then it was such a hard time telling what the ammonia was that I figured it was not that harmful and I could check it soon. I did a few days later and it seemed stable. This week, my parameters are: 0 nitrite 0 nitrate 1-2 ppm ammonia 7.4 pH My ammonia is down to .25 but I'm not sure what else to do. I use seachem prime. There's a few ideas I have my mind wrapped around so far. Could I be adding the water with the seachem prime in it too early and the chlorine is killing off my good bacteria? is my tank re-cycling after a melafix disaster where I had to basically start over? Or is it because I have no live plants in my tank? I have live driftwood and I tried to see if that was rotting but it wasn't. I'm not sure which it could be.