Hey I see this is the only some what helpful resource on what I’m specifically dealing with on my arapaima he just developed gas bubbles on his head I don’t have any water falls should I just aerat the water some more ? My out put from my filters are out of the water they’re not submerged should I add aquarium salt ? And lower the temperature the temperature is sitting at 85 and just recently had to treat copper as the gar in it did have gold dust disease please help