The congo tetra died in the siphoning accident.
The rosy barb's eye is still a bit biffed but I think he's fine. His energy level etc... suggests that it's most likely from an injury. So I returned him to his barb school where they had to re figure the pecking order :-)
I also returned the blue acara that wasn't eating back to the blue acara group, she's eating now but is still a runt compared to the rest.
Another problem I had was the congo tetra tank has my group of Sterbai cory cats in it. One of the cories developed rub spots on his eye brows and nose and the congos might have had white lips, but that might have been my imagination. Anyways I removed the plants and driftwood and vacuumed and sand of all plant debris. Then treated with seachem polyguard. Everyone seems to be well. Knock on wood.