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#1
03-17-2009, 02:52 AM
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Alfredshouse
Tested for voltage in the water, none was found
Did a water change on Saturday. Please give more suggestions, Thanks 
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#3
03-17-2009, 03:29 AM
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Tank crash
Temperature is/was at 79.6 and its been up since Feb/08.
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#4
03-17-2009, 03:32 AM
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Tank crash
tested the inliner heater and digital thermometer and they are working. I put another Koralia in this weekend, thought that might of electricuted everything, but nope thats not it either.
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#5
03-17-2009, 03:34 AM
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Your water parameters seem to be fine. At least not to the point that it would kill everything overnight. It almost sounds like you might have had a CO2 build up. Using a cannister doesn't agitate the surface so this might have been the cause.
Just trying to help narrow down the possibilities.
__________________
250 gal display tank plumbed directly to my wallet Last edited by Black Phantom; 03-18-2009 at 07:45 PM.
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#6
03-17-2009, 03:57 AM
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You keep saying Nitrate - which is not really toxic to fish.
If you say Nitrate (No3) being 0.8 - I think you mean Nitrite (No2) - which is very toxic. Sorry about your loss. It was just too many fish added at once. Bummer.
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#7
03-17-2009, 05:08 AM
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Quote:
http://www.reefkeeping.com/issues/20...hf/index.php#5 What is concerning is the presence of nitrITE in the water at all which almost always means that ammonia (which is very toxic) was there previously. There should be zero nitrITE in a tank more than a year old unless there was a mini-cycle - possibly brought upon by the addition of so many fish at once. I believe that the oxygen deprivation theory may be correct especially if the FX5 was the only form of circulation: Lots of fish are added to a tank with poor circulation. This causes the death of the weakest fish which in turn causes a mini-cycle which kills off the rest. When you finally do the testing the cycle is at the stage where's there's a little nitrITE left and rising nitrATES. Your Alk reading is actually normal.
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#8
03-17-2009, 05:22 AM
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^ I think fkshiu is on the right track. I don't think it was a single issue that caused the death of all the fish, but in the end I do believe the primary cause was adding too many fish at once...then the resulting lack of oxygen and (likely) ammonia, and who knows what else may have also played a factor.
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#9
03-17-2009, 02:47 PM
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oxygen
I would be willing to place a large bet on low oxygen levels. Buildup of protein on the surface...usually happens when someone is not using a sump, and an inadequate hang on skimmer (i dont know what skimmer you have/had), and little to no powerheads pointed up at the surface. Did you have a slimy coating on the surface of your aquarium?
Nate However this is not caused directly by the adding of fish, it would happen eventually if you just had 1 fish. But the adding of new fish increased your need for available oxygen, with that, the new fish are stressed and their oxygen uptake is thus increased, and in the end it comes to a point where no one can breathe and they die. Good thing is your corals should be fine, I have seen them handle this no problem Last edited by Nate; 03-17-2009 at 03:16 PM.
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#10
03-17-2009, 03:25 PM
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I'm so sorry about your losses. This really sucks to hear about it. However you will learn from it, and be a better hobbyist after the shock is over. I agree with the posts about oxygen starvation and would look into that. When I first started out I inherited a tank with fish when I bought this house. It had a Ehiem filter and it stopped pumping one night and killed most of my fish. We still have no clue why it shut down since it was clean inside.
So sorry about Alfred.
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