cbheternal
Aquarium Advice Apprentice
last night one of my female chiclids was doing the death swim. checked my levels. nitrate was 5.0 ppm everything else was fine. changed some water. gravel vacume. nutting out of the ordinary. the crazy swimmer died, before bed. woke up this morning. and 9 out of 12 fish were dead. these fish. were strong. no tank issues. please help. baby did this happen.