This is the 4th time in 3 years every fish in the tank has gotten ill. It always ends with them dying. I set out to but test kits and Here are my readings Ammonia- .6-.14ppm, PH.- 7.0, Nitrate- .25ppm, Nitrite- .0-.5ppm. From what I heard this is okay but my cichlids are all sick and are on he grave and I can't figure out what to do. We have used fungal medicine thinking it was something in the water but nothing works and the fish are getting worse. The water is cloudy as well. Any ideas on what is the issue? Im pretty bummed knowing my fish might not make it through the night.