die off

Hi guys! Does any of you have any luck with school of red saddled anthias? I bought 20 in total and they are eating very well. I feed them 6 times a day with mix of frozen food and 4 times with pellets which they start to eat. My water parameters are stable and good. Despite all that they...

I own a 32 Biocube that has been running for over 3-4 months. I added fish about 2 months ago after the tank had fully cycled. The tank has been running quite smoothly with not many issues at all. This is why the die off of my fish this morning came as such a surprise. All the invertebrates and...