Take time to think!

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shenzhenluohan

Fire Eel
MFK Member
Nov 21, 2007
1,230
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Arborg MB, Canada
This happened about 6 months back, somehow my significant other was cleaning my tank glass on my 90 gallon juvi tank and inadvertently unplugged my canister filter. I got in from work that night and when feeding i noticed that the surface movement was a bit quiet and without thinking, I stupidly plugged the filter back in.... well within 30 mins. everything in the tank was dead aside from one juvi giant pink gourami!!! I was very surprised and thought that the amonia had built up to leathel levels but it was not the ammonia spike which killed the fish, but a very lethal toxin called hydrogen sulfide, which is the byproduct of dying bacteria. I assume it was the labrynth organ that saved the gourami. Lost 1 ornate bichir, 1 senegal bichir, 1 large albino common pleco, 1 rainbow shark, 3 blood parrotXflowerhorn, 1 L191 royal plec, and 3 golden SAEs all on one split second decision.:screwy:
HTH anyone!
Cheers
Stan
 
Thats such a good heads up, Its something I think most people would do without a second thought. I wonder how long you can leave a canister off before its a toxin factory?

Sorry about your fish. very sad.
 
Hmm. Interesting. I wouldn't think bacteria could die that quickly. I have had power outs because of downed trees and ran my heaters etc with a little generator but have had canister filters off for much longer. That's scary. The downed tree problem is common around here that's why I have the little generator to begin with. The only aquarium I plug everything in on is the reef tank. I guess I've been lucky. I'd like to know the science behind this particular event. I want to avoid it.
 
Interesting read. Thanks for the post and link. It had never really come up in my circles before but I will definitely keep it filed away for future reference.
 
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