Fish Dying!!!!

[fuy]

Hello Guys, So I started my tank 8 Month ago, but I just transfer my old rocks to this new one I got, it been running for 8 months as I said. so I started adding fish. they were fine for almost 6 months, since then I started getting diatom and red slime algae, my fish started dying overnight and then I bought more and the same thing was happening today my last Wyoming clownfish die, yesterday he was swimming normal and eating And today when I approached my tank I saw him on the sand bed not moving ,

if you guy got any tip on what I can do, please let me know. If I should a bacteria booster or something.

Thank you!!

 

[Daddi0]

What are your parameters including chlorine/chloramine and ammonia, nitrites?
Cheers! Mark

 

[Anemone]

Are your fish dying overnight/during lights out? You may be having an oxygen deprivation event. How many fish do you have, and what sort of surface movement/agitation do you have.

And as Daddi0 said, a more full description of your setup and parameters would help!

Kevin

 

[fuy]

What are your parameters including chlorine/chloramine and ammonia, nitrites?
Cheers! Mark

My nitrite is on 0
I dont have the rest of the test kit
I did phosphate and is on 0.04mm

 

[fuy]

Are your fish dying overnight/during lights out? You may be having an oxygen deprivation event. How many fish do you have, and what sort of surface movement/agitation do you have.

And as Daddi0 said, a more full description of your setup and parameters would help!

Kevin

Im using a mp40 for water movement

 

[Uncle99]

Incorrect Salinity, temperature?
Those kill easily and fast !

 

[Anemone]

Poison/pollution of the tank can kill. Spoiled food can kill. An infected fish can kill. A lot of things can kill, but without more info, both general about the tank, and specific, such as the circumstances leading up to the deaths, we can't really tell you anything.

Kevin

 

[fuy]

Incorrect Salinity, temperature?
Those kill easily and fast !

I did a water change of 10gallon the day before
My salinity is on 1.026
And temp is between 77

 

[fuy]

Poison/pollution of the tank can kill. Spoiled food can kill. An infected fish can kill. A lot of things can kill, but without more info, both general about the tank, and specific, such as the circumstances leading up to the deaths, we can't really tell you anything.

Kevin

I did a water change of 10 gallon the day before
My water was kind light cloudy after i finish the water change

 

[Daddi0]

Chlorine/chloramine from your water supply?

 

[Uncle99]

If I read your post correctly, your fish are dying overnight?

I might consider 3, 30% water changes over a week and run some carbon in case it's a poisoning, however the new water must have been 0 TDS before the mix.

As mentioned, and good thinking, you must ensure no chlorine or chloramine or ammonia.

If they still die I might start to lean in the diease direction.

Unfortunately, mystery deaths could be anything, but if you don't know what it is, let's find out what's it's not.

 

[Green Chromis]

:fish1: Hi, is the MP 40 the only means you have for water movement? Do you have a sump with another pump to help circulate the water, it seems really odd that your fish would all die after 6 or so months from no apparent reason, other then some form of disease or poisoning. Do you have Corals, Crabs, Snails or Shrimp in your system, and are they still alive? :fish1:

 

[fuy]

:fish1: Hi, is the MP 40 the only means you have for water movement? Do you have a sump with another pump to help circulate the water, it seems really odd that your fish would all die after 6 or so months from no apparent reason, other then some form of disease or poisoning. Do you have Corals, Crabs, Snails or Shrimp in your system, and are they still alive? :fish1:

Yes i have a sump and skimmer , my theory is that i move the mp40 down from the surface and it wasnt exchanging gasses , i move it yesterday up and i see my fishes swimming more i think it was poor oxygen on my tank


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[fuy]

If I read your post correctly, your fish are dying overnight?

I might consider 3, 30% water changes over a week and run some carbon in case it's a poisoning, however the new water must have been 0 TDS before the mix.

As mentioned, and good thinking, you must ensure no chlorine or chloramine or ammonia.

If they still die I might start to lean in the diease direction.

Unfortunately, mystery deaths could be anything, but if you don't know what it is, let's find out what's it's not.

Yea i was weird to find it dead , but i think i had poor oxygen on the tank because the surface of my tank wasn't moving because i had my mp40 below and it wasnt exchanging gas , thats what i think


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[Uncle99]

Yup, low oxygen water certainly can kill.
Or a ammonia spike, or many other things,
Keep us posted now you have created surface agitation

The fact you have a skimmer and a sump makes low oxygen not likely the cause.

 

[Conor_K]

My nitrite is on 0

I dont have the rest of the test kit

I did phosphate and is on 0.04mm

I would get more test kits asap.
Hard to say what is going on without being able to test for more parameters.


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