I have never experienced this but supposedly it happens all the time and the fish are not in danger.
justonemoretank;3492608; said:I thought that stray electricity was one of the possible causes of HITH... or has that been ruled out? It may have been an old article I read. Either way, I'd take out whatever's causing it. It can't be GOOD for the fish, even if it doesn't appear to be hurting them.
jimmie1974;3492573; said:I'm a sheet metal worker, and if I get a small metal splinter invisible to the eye, I've gotten the same thing, I stick the other hand in, and nothing.
bOOsteN aUdI;3493272; said:this happened to me one time.. one time it was my lights and another time it was a powerhead.