I came home after 4 days and found my tang lying on it's side on the sand. I've seen this before and didn't seem like abnormal behavior. The following morning, the poor guy was stuck to the power head, half eaten by the maintenance crew! I immediately took him out, but I didn't have time to water change, etc as I had to leave for work. I was hoping I got it early enough before it could produce a spike and cause widespread damage.
This afternoon, I got back from work, (30 hour shift), and one of my clowns was missing, and the other clown was also stuck to the power head. My blenny and rainford goby were nowhere in sight, and the pajama cardinal had a cloudy blown out eye!
I've never had massive die off like this after one fish death. I'm not too likely to put any new fish in that tank until I figure out what's wrong. The only thing I could think of was that there was a small white spot on the dorsal fin of the tang before I left for vacation. Maybe he infected everyone else in the tank with whatever he had, died, and the rest...well, you already know.
There are corals in my tank, and all is well with them. All the inverts are also fine. Can anyone suggest a cost effective water test kit? I want to get to the bottom of this. At this point, I've already done a 10% water change, and will do this a few more times this week.
Just very frustrated and needed to vent. I was very attached to my clowns and blenny as they have been with me for almost 2 years.