Fish Crisis!! Please Help, why are my Fish dying??
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Fish Crisis!! Please Help, why are my Fish dying??

This is a discussion on Fish Crisis!! Please Help, why are my Fish dying?? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Hi, I have had 4 of my fish die today, 2 gold dust mollies, 1 neon tetra, and 1 swordtail. There are several others ...

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Fish Crisis!! Please Help, why are my Fish dying??
Old 12-07-2008, 06:06 PM   #1
 
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Unhappy Fish Crisis!! Please Help, why are my Fish dying??

Hi, I have had 4 of my fish die today, 2 gold dust mollies, 1 neon tetra, and 1 swordtail. There are several others that dont look good at all. They were happy and swimming and healthy just a day ago. The only symptom I can report right now is that the water is getting, sort of greyish, not really green but its definatly cloudy. Please Help! I would like the rest of my fish to live!
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Old 12-07-2008, 06:45 PM   #2
 
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First what are your take parameters? Ammonia? NitrItes? NitrAtes? Once you answer those someone may be able to answer your question.
How long has the tank been established? Hurry and answer these so someone can get you some help
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Old 12-08-2008, 02:39 PM   #3
 
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48 x 16 inches. 75 gallons. I dont cycle my tank and I dont know the level's. The tank has been going for like 2 years or somthing. This has happend before and most fish died.
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Old 12-08-2008, 03:12 PM   #4
 
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It will be tough to offer solid advice without knowing your water parameters .

Another question then: how often to you feed, what do you feed, and most importantly, how often do you perform water changes (and how much water do you change when you do them)? What kind of filter do you run for the tank, what kind of media is in it, and how often do you rinse and/or change the filter media?
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Old 12-08-2008, 05:34 PM   #5
 
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I feed my fish 2 small feedings a day, to make sure every fish gets food. I feed them tropical fish flakes, nothing fancy. I dont do water changes that often but when I do, I do more than 50% of the water. I'm not sure what filter I have, but it has been working great in the past and as far as i know, there is nothing wrong with it. I have old, fake plants in the tank. I just did a water change and I'm leaving the plants out. I dont wrinse them too often. I'm not sure what filter media is. I've been putting alot of heath medications and aquarium salt to the tank and the fish are not looking as bad as they were. I hope that helps anyone for giving me advice..
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Old 12-08-2008, 05:46 PM   #6
 
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hi
sorry to see you're having problems.
the filter.....is it an internal one(sits inside the tank) a HOB,
a canister ?
do you know what is inside the filter.
have you had any fish die that you did not notice.
the water test kit is a must.
what have you been adding exactly and for what reasons ?
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Old 12-08-2008, 06:44 PM   #7
 
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cool, well a loose guess would be that the nitrates are creeping up in your tank, and causing an algae bloom in the water (the cloudiness that you see)... also likely that nitrates get too high and that causes the death of some of your fish. Again, this is just a guess though, hopefully someone else will chime in and support or refute my suggestion here.

I would guess that a combination of infrequent water changes, and (it sounds like) never rinsing or changing your filter media is causing water quality problems. Regular water changes (at LEAST once a month, maybe every two weeks, every week would be better.. the more frequently you do it, the less you have to do per change) would be much better for the long-term success of the tank.

Also, its very important that you rinse your filter media, and replace it every so often. If you run carbon, it should be changed monthly, and if you have a mechanical sponge, that should be rinsed every water change in the water that you just removed (not under the tap), and replaced every three or so months. If you don't do this, then it gets stuffed full of gunk from the tank, and turns into a nitrate factory.

And lastly, like willow wisely stated, a water test kit is crucial, that way you can monitor your water pararmeters and much more quickly recognize and handle problems before they turn into fish deaths . Good luck!
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Old 12-08-2008, 09:53 PM   #8
 
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Willow, My filter is accually a Carbon filter, if that makes any sense. I have 2 of them, one at each end of the tank. It is external. I do not know what is inside the filter. I have had fish die that I didnt notice. I found one today that I havent seen. I have been adding Rid-Ich, a few fish have really bad ich and I thought it couldnt hurt to add some. I'm adding a double dose because it also treats other fish sicknesses in the tank as well. I have also been adding medi-booster, a follow-up on the Ich treatment. Lastly, I am adding a thing called Algee Destroyer. Says it clears water but it is very old, by a few years so I ddnt give a full doseage of that.


Quote:
Originally Posted by conger View Post
cool, well a loose guess would be that the nitrates are creeping up in your tank, and causing an algae bloom in the water (the cloudiness that you see)... also likely that nitrates get too high and that causes the death of some of your fish. Again, this is just a guess though, hopefully someone else will chime in and support or refute my suggestion here.

I would guess that a combination of infrequent water changes, and (it sounds like) never rinsing or changing your filter media is causing water quality problems. Regular water changes (at LEAST once a month, maybe every two weeks, every week would be better.. the more frequently you do it, the less you have to do per change) would be much better for the long-term success of the tank.

Also, its very important that you rinse your filter media, and replace it every so often. If you run carbon, it should be changed monthly, and if you have a mechanical sponge, that should be rinsed every water change in the water that you just removed (not under the tap), and replaced every three or so months. If you don't do this, then it gets stuffed full of gunk from the tank, and turns into a nitrate factory.

And lastly, like willow wisely stated, a water test kit is crucial, that way you can monitor your water pararmeters and much more quickly recognize and handle problems before they turn into fish deaths . Good luck!
Thanks, I will do my best to get a test kit within the next few days. As for water changes, I really tried to do them frequently from a few months ago, but I have just started doing more than 50% every 2 weeks. I have carbon filters, I do wrinse them but we change them not long after we do water changes. Another note, When the fish die, they still have most of their color. If that helps to identify whatever is going on in my tank. Also there is alot of fish in my tank and so they produce alot of waste. I have heard that the waste produces ammonia with can kill fish. I didnt want to dig into the rocks today with my syphon becasue there are fry in the tank currently and I didnt want to suck any of them up. One last thing. The death of the fish species is consistant. 2 Tetras have been lost and 4 mollies have been lost. Thanks for the advice guys. I'm kinda thinking that this is some kind of poisening from what i have read on the site.
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Old 12-08-2008, 10:04 PM   #9
 
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It is possible that such a large water change in addition to a filter media change could have left your tank lacking in the bacteria needed to handle the waste of your fish. The bacteria doesn't live in the water column, but it does live in your filter media and doing such a large water change could have disrupted and possibly taken out the much needed bacteria from the habitat. I would recommend doing smaller water change more frequently and test your parameters asap.
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Old 12-08-2008, 10:08 PM   #10
 
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Well, it just came out of noware and thats when I did the water change. We also replaced the filters a few weeks ago. We use carbon filters in our tanks, im not sure what filter media is
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