I agree. My petsmart is better than my local petco.
I was at my petco a few weeks ago, looking to buy some guppies. I walked over to the guppy tank, and it had at LEAST 20 guppy carcasses, some mangled, some covered in fungus, in the tank. The water was so nasty you couldn't see to the back of the tank. And floating at the top of the tank was what, on first glance, appeared to be a white ball of fluff. It was a guppy carcass, covered in at least an inch of fungus. It was so discusting.... And the thing is, the employees walked right past this tank as though it wasn't there. That was the last time I even looked at their fish.