lemme get stait to the point.....100 gallon salt, one lawnmower blenny, 2 domino damsels, 2 clowns, one pink damsel, and one green chromis. 10 tiny hermits (blue legged) 3 larger ones. Had some kent activated carbon in there, I added about half a cup more in my media bags and left for 2 hours, when i came back everthing is belly UP!!!! i dont know what happened the activated carbon is the only thing i can think off, has this ever happend to anyone, is it capable to kill everthing?? is it possible that the tank somehow had a shock of eletricity, thats not there anymore, my water stats are not out of the norm, tanks been running for about 2 months, i dont know what to do, if someone has answers please help. Thanks