Fish died within 24-48 hrs :( - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 6 Old 12-05-2010, 12:03 AM Thread Starter
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Fish died within 24-48 hrs :(

Hello, I have been researching till I'm blue in the face, and can't seem to come up with a definite answer / solution.

I recently overhauled my 55gal freshwater tank.

I bought new rocks etc...

I transfered my fish to a small tank temporarily while I move and cleaned my 55g tank.

I have had the fish and current setup for about 4 years with great success.(Went though to house moves without loosing any fish) I have always used Tetra AquaSafe as I filled the tank. Made sure the water was at the proper temp before adding the fish back to the tank.

I cleaned the tank inside and out very throughly before adding any new water. ( I also used higher pressure hose to remove anything left in tank(

This time for some reason, Within 24-48 hrs, I had lost all my fish. ( 2 Clown Loach - 1 Plecostomus 2 - Tiger Barb)

I can't seem to figure out what went wrong this time. I checked the water levels with test kits and everything seemed to be in order. Im also kind of leary to get any additional fish for fear of killing them.

Will I have to removed everything and clean everything?
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post #2 of 6 Old 12-05-2010, 12:16 AM
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Can you think of anything that may have gotten in the tank while cleaning it?

Just making sure but did you use any cleaning products?

What kind of rocks did you buy and where from?

Any other details on the fish themselves? Were they just floating upside down the next day?

Did they show any unusual sign when you put them back into their redesigned home? Like did they go hide right away or did they refuse to eat, anything like that.

What was their temporary housing like? Any chance that something got into that tank? Did you test the water?

Sorry for all the question but you never know what might help, hopefully we can figure out what happened so you can start to rebuild your tank.

Also sorry to hear about your fish.
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post #3 of 6 Old 12-05-2010, 02:37 AM
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How long did you have the water in the tank running for before you put them in?

If it was fresh new water, it wasn't cycled yet. So they went from your holding tank of mature water they were used to, to a totally different water source that was not cycled.

This could have shocked them so greatly it killed them. Non-cycled water can severely stress the fish.

The water test would have shown 0 levels of any toxicity's because it was fresh tap water.
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post #4 of 6 Old 12-05-2010, 12:52 PM
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First, as I see you just joined, welcome to Tropical Fish Keeping forum.

I agree with previuos member's suggestions. We need some more information, as there are a couple of obvious explanations but without knowing more we are guessing.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #5 of 6 Old 12-05-2010, 12:53 PM
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I'm gonna tentatively agree with trit0n that if you tested the water right after you filled you it wouldn't show anything on your tests. Then you add the fish in (the clown loaches and the pleco can make a lot of waste in a short time) and blam. No good.

Is the tank planted? That can have effects on cycling as well.

30g SE Asian Tank
15 Lambchop Rasbora
2 Gold White Cloud Minnows
3 Dwarf Chain Loaches
2 Powder Blue Dwarf Gourami

55g Amazon Tank
2 Wild Type Angels
1 Marble Angel
1 Black Angel
1 Koi Angel
2 Bolivian Rams
14 Pristella Tetra
10 Dwarf Pencilfish
2-3 Twig Catfish (to come)
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post #6 of 6 Old 12-06-2010, 01:09 PM
I agree with the others, the most likely killer would be the cycle. The substrate contains a lot of bacteria, switching out the rocks (im assuming you mean gravel) would mean you removed a lot of the surfaces for bacteria to grow on. High-presure hose would remove more bacteria. Unless you cycled this tank from scratch before adding the fish the most likely cause is the cycle. But as Byron said, we need more information or all of this is just guessing.
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