Aiming4 Goldfish Care

I have a large tank with a lionhead goldfish and a few minnows. For a while now, my fish have been becoming ill with swim bladder disease. Some have died and some were cured (before getting the disease again later on and dying). The medicine I am using contains bronopol, formaldehyde and benzalkonium chloride as [...]

I have a fish tank at work with 6 goldfish in it. To be honest I don’t know what type of goldfish they are. They are all healthy except one who appears to have Swim Bladder Disease. He is a tiny copper coloured fish without a dorsal fin and he has a fan tail and [...]