Why do tanks crash?

[kien]

My tank crashed due to a design flaw, which led to an electrical failure, which led to equipment failure, which led to a temperature deviation, which led to low oxygen levels, which led to a water chemistry change, which led to disease and parasites, LOL. Seriously though, in my experience it tends to be a cascading series of unfortunate events which does stem from one or more points of origin. The sad part is, sometimes (or most of he time), it can be hard to pin point exactly where it all started to go down hill..

edit: wasn't referring to my current tanks BTW. Rather, previous tanks I've had. I've tried to learn from those past mistakes, and so far so good *knock on wood*

[sphelps]

No tank is bullet proof, any kind of equipment can fail at the right time to cause a fatal crash. I had a partial crash once due to a programming error in my controller logic which shut off the return pump over night. Almost had another one due to a damaged overhead power line.

[badAZZlars]

The issue that I ran into was a snail in my sump getting stuck in my return pump while on vacation.

Quite a bit of water had evaporated from the display and the temp was quite low by the time I got things fixed. No major losses but some of my coral frags browned out.

[fishytime]

Full on crash for me.... And full with capital letters.....caused by moving the tank