HELP! Fish dying - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 08-01-2010, 07:22 PM Thread Starter
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HELP! Fish dying

I need some serious help. All my fish keep dying. All my water parameters/ammonia are great (except KH, which is high).

A few minutes ago, I observed one of my fish in the process of dying -- it looked like he was gasping like crazy and couldn't stay floating in the proper orientation. Could it be possible that there is insufficient oxygen in the tank? I have a Fluval Edge which only has like 5 inches of surface-to-air contact and I'm injecting quite a bit of CO2. Could it be possible that the water lacks oxygen? If so, how do I check it and what do I do?

I can't stand killing all these fish -- it sucks and its getting expensive.
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post #2 of 10 (permalink) Old 08-01-2010, 07:24 PM
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do you have a drop checker in there? if so, did you use 4dkh solution in it?

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post #3 of 10 (permalink) Old 08-01-2010, 07:47 PM Thread Starter
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do you have a drop checker in there? if so, did you use 4dkh solution in it?
No I don't. To be honest, I'm not even sure what that is or what its for. Should I have one?
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post #4 of 10 (permalink) Old 08-01-2010, 07:49 PM
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Add an airstone ASAP and do a small water change. Is your heater working properly? And what if are they? Also, did you do anything diffrent to the tank/change things recently?

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post #5 of 10 (permalink) Old 08-01-2010, 07:55 PM Thread Starter
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Add an airstone ASAP and do a small water change. Is your heater working properly? And what if are they? Also, did you do anything diffrent to the tank/change things recently?
So the problem could be a lack of oxygen in the water? Is there a way to verify/measure this without just running out and spending money on an airstone?

No heater right now, tank is very warm as its summer time. And no, no changes to the tank.
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post #6 of 10 (permalink) Old 08-01-2010, 07:58 PM
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The problem is probably too much CO2 in the water.
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post #7 of 10 (permalink) Old 08-01-2010, 08:00 PM
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So the problem could be a lack of oxygen in the water? Is there a way to verify/measure this without just running out and spending money on an airstone?

No heater right now, tank is very warm as its summer time. And no, no changes to the tank.
It may be a lack of oxygen, especially if the tank water is very warm. I don't think that there is any way to measure oxygen levels in an aquarium (that I know of). Since you don't have a air pump, do you have an extra filter, pump, or powerhead? Try to create as much surface agitation as possable to oxygenate the water.

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post #8 of 10 (permalink) Old 08-01-2010, 08:01 PM
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Are you using pressurized or DIY CO2?
What is your pH?

I have two fluval edges, both planted (no CO2) and heavily stocked and there is no problem with a lack of 02.
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post #9 of 10 (permalink) Old 08-01-2010, 08:02 PM Thread Starter
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It may be a lack of oxygen, especially if the tank water is very warm. I don't think that there is any way to measure oxygen levels in an aquarium (that I know of). Since you don't have a air pump, do you have an extra filter, pump, or powerhead? Try to create as much surface agitation as possable to oxygenate the water.
Currently there is very very little surface agitation. I'll get an air pump and see if that helps.
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post #10 of 10 (permalink) Old 08-01-2010, 08:07 PM
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Currently there is very very little surface agitation. I'll get an air pump and see if that helps.
Good idea. They are great things to have during emergencies.

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