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Read about cycling a tank....

http://www.fishprofiles.net/faq/begin-cycling.asp

fishyd - welcome to FP! I'm going to reiterate SF's questions

How long ago was this tank set up? Has it cycled? When was the last time you did a water change?

these are the three really important questions before we can start to understand what is going on.
Are the fish listed in your signature what is left? Or does that include the fish that died?

i use lots of salt and other chemicals for better stability.

Uh oh. How much salt (which incidentally will do absolutely zero for "stability"? What chemicals and why ?
Chemicals are not a replacement for proper maintenance and keeping on top of water quality and should be totally unnecessary.

We need to know exactly what chemicals you have been/are using and how often. How often and how much are water changes. And the questions asked above. It's quite possible you have unknowingly created some kind of toxic pea soup.

Please understand not trying to be hard on you. We need to know these things in order to help you put things right and help your fish. Without this information it's just shooting in the dark.

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Some days you're the pigeon and some days you're the statue.

Remember that age and treachery will always triumph over youth and ability.

Honestly, pH doesn't matter that much, all it needs to do is stay stable.

How long ago was this tank set up? Has it cycled? When was the last time you did a water change?

I agree with garyroland that you could have a problem with water quality. pH won't kill your fish, but ammonia/nitrite/nitrate will.

ASAP take a sample of your water down to your local LFS and get it tested. Ask for the exact numbers, and then post them back here.

I have a fine ph level, and my testing methods r fine, i have to admit though, i dont test nitrate or nitrite levels, or even ammonia, but my temp and ph is fine, and thats what is the most part, and i use lots of salt and other chemicals for better stability. I dont know if its the heat or what, but something is killing my fish.

Babs should have asked what symptoms the other fish had before they cashed in...

Usually fish demonstrate external discomfort, perhaps even noticeable skin/fin problems before death.

I suspect you may have a massive water quality problem caused by a lack of testing.

--garyroland.

[span class="edited"][Edited by garyroland 2004-07-27 18:56][/span]

You mentioned the PH but made no mention of ammonia, nitrIte or nitrATe, those are necessary for us to better understand what's going on in the tank.

With the death of fry it's likely you had an ammonia spike, causing additional stress. The fat belly sounds like it could have been dropsy. Do you remember any other physical symptoms.


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