worried

My big male lyonsi was bitten about 2 weeks ago and the bit doesnt seem to be healing. It doesnt seem to be getting any worse eather. He's eating and acting normal. Should I add any medication?

Just filled a 55g, and the center brace has slightly separated (i.e., broken) away from the back edge of the top frame. Does this mean the glass is bowing, or I am in some other danger of all 55g going on the floor??? :eek:

I have five juvenile calvus in a 125 gallong aquarium. There have never been any aggression issues or squabbles to date. However, today two of them can't seem to stop going at it? Will this sort itself out? Or is it a fight to the death? Rda-9DbGqyA bjApkf1gQ8w

I really need to get some of those battery-back-up thingamagigs. I hate the potential for power outages and get really stress out. What do you folks use? I'm not talking about a generator or the short-term computer back-ups things, but that product that is like a marine battery into which you...