alt.garden.pond.chat is the only pond group I can find my news server, so I'm going to xpost this to alt.garden.pond.chat and my usual "home" group rec.aquaria.freshwater.goldfish hoping to get some good advice from both places...
My fish are eating ok, look ok, but I have noticed in the past week that they all spend a great deal of time at the water line......I have dual aeration in there, so I would tend to doubt it's lack of oxygen. This also coincided with the return of brown algae on the glass, which I ...