The pond I got them from is in a secluded nature area not far from the Delaware River....and not far from Camden. Not the best of neighborhoods.
It's very nice during the day, but I would never go there at night. Just in case some 'business' transactions are going down. Probably, if the cops patrol the area, any evidence...i mean... 'goods' might be deposited in said pond.
The fish are not to blame.
Yeah, I'm joking. Well, pretty much.
I'm gonna empty half the water, replace it, and buy a new filter, as I think that is the problem.