Originally Posted by Greg Donaghy
thanks for your prompt reply , what i mean is that one clown fish goes to just above the gravel and threads the water there for possiblly a day or two and then just dies this has happened to two clown fish, all otheres seem fine will post a pic shortly if that would be of any help also had water tested everything ok except for nitrate was very slightly high
If you are seeing high levels of Nitrates then it is time for a decent sized water change.
How long did your tank cycle? How long has it been set up? Can you post the actual numbers from your water tests? What kind of filtration do you have? How much live rock do you have?