such a sad news, all stingrays died

[BeachVacationer]

http://my.chicagotribune.com/#section/-1/article/p2p-83979456/

 

[Sk8r]

Happens even to the experts. Your best ally is a) don't overload the tank because disasters happen faster and worse if you do b) develop a habit of looking at and touching the tank as you pass (to note coral behavior [a real good alarm for problems] and water temperature) c) train a tanksitter or two BEFORE you face a trip or emergency.