Originally Posted by The_Desacrator
So over the course of the past like two weeks all of my fish in my 60g have died. The first like 3/4 probably died because the heater broke and the water tuned ice cold. Replaced the heater and fish have continued to die. Ammonia/
Nitrite/Nitrate are all okay and have performed 2 water changes. Also the fish in my other 60g are fine so I don't know what the problem is. Help please!
Your assumption is probably correct. The water may have gotten cold and shocked them and ended up killing them