We have a new boy from Petsmart. I have to say the store near me is taking good care of their other fish, however the bettas are abused. I don't think they change their water at all! This one was in his cup with -still-blue water for a week until I broke down and got him. And complained to the store manager about the pathetic state of their bettas. ]
At this rate I'll never make my 10 gal double-split again! Anyway his fin rot is healing and he looks much better than a week or so ago when I got him home. He is an itty bitty thing, his name is Firefly.