Originally Posted by bigfish93
I've lost all my fish to being uninformed about this hobby. I over fed, cleaned the entire tank once a week with no knowledge of the nitrogen cycle, not dechlorinating the water, tank was to small, agressive species were combined in a small tank. I am getting back into the hobby and I hope to never make those same mistakes again!
My one success ... well, at least not a failure ... was that I screwed up the tank cycling but by near daily ~30% water changes didn't loose a single one of the ~20 fish in my 46g tank.