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guppies dying suddenly

This is a discussion on guppies dying suddenly within the Livebearers forums, part of the Freshwater and Tropical Fish category; --> Sorry for your loss.My only thought on the cause is probably not a fungus The fish don't die off as quick as yours did.Don't ...

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guppies dying suddenly
Old 02-25-2014, 10:19 AM   #11
Sorry for your loss.My only thought on the cause is probably not a fungus The fish don't die off as quick as yours did.Don't get too discouraged,the fact you've got test kits and are doing water changes tells me you're going to be successful in the future.Good Luck
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Old 02-25-2014, 10:53 AM   #12
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Did you observe any discoloration or blood on the them?
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Old 02-25-2014, 12:23 PM   #13
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So sad to read your thread, dead fish are no fun at all. This IS a uncommon thing, for a stable tank to suddenly start killing fish, but there is probaly a simple solution. If we can diagnose what is wrong, then im sure we can correct the problem and you can go back to enjoying your fishtank.

First thing i would want to know : Do you perform regular scheduled water changes, or did you just change when you noticed somthing was wrong? So many different ways to maintain the water in a fishtank, none are without potential problems.
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Old 02-25-2014, 04:58 PM   #14
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I requested help from a friend who is more specialized in diagnosing diseases, this was her response after reading this thread:

"I agree that it's most almost certainly not a fungus. The fuzzy spot was excess slime coat. Because they were swimming at the top, that indicates they had a lack of oxygen which in turn indicates to me external parasites such as gill flukes or costia etc. These parasites target the gills first and then the wounds they leave behind can become infected. They can also go internal through the gills and cause internal damage. Although, it sounds like asphyxiation was the most likely cause of death with the poor guppies not being able to get enough oxygen through their infested gills.

If thena can leave turn the heat up to 86 F and leave the tank unoccupied for two weeks, any remaining parasites will die off and the tank will be fine. The hornwort and the snails may not take that high heat so she may need to remove them. Then, before she adds new fish in, she should use the Start Safe or whatever the bacterial supplement is that she has and monitor the levels just as if the tank was new for the first week or so."
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thena (02-27-2014)
Old 02-25-2014, 05:35 PM   #15
the tap water PH is between 6.2 and 6.4 (after letting air run in the container). The snails and plants in the tank seem to be fine. Then one fish that had what looked like fungus was on his back just under fin. I really thought i was doing everything right, changing 25% of the water every 5-7 days, no nitrites, no ammonia (once got up to .25 but did a 50% change and did not go back up) my nitrates did however get to over a hundred, got a filter additive called Nitrazorb and put hornwort vines in the tank and that seemed to take care of it, that was over a month ago. Have not had anymore problems. I did add two fish about 2 weeks ago, but they were in the last ones to die, last night. The water is clear, no odor. It was all so sudden. all gone in a matter of 3-4 days.
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Old 02-25-2014, 07:20 PM   #16
I just wanted to add - the new fish not being the first to die doesn't mean that they didn't bring something with them. It's actually more likely that if they were carrying something that they had been living with for a while, and the fish that were in the tank already had never been exposed to this pathogen, that they would not be the first fish to show symptoms. You could say that they are carriers. Once other fish (who have never encountered the parasite or whatever was causing the illness, and thus have no defenses against it) start dying, the added stress could push them over the edge and they also succumb. What you described is pretty suggestive of some kind of infectious disease process.

Frankly, I would think that it's easier to bleach the tank, get rid of anything that can't be bleached, and start over. I don't like to take chances with anything infectious, and you do not have any fish that need to be housed while you're attempting to clean.
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Old 02-25-2014, 07:24 PM   #17
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My eye caught this: "...treated water with 'start right'..." Is that the water conditioner you've been using. I'm not familiar with that. What is the exact full brand name? How long have you been using the product?

The product name makes me think it's some kind of bacterial cycle starter product. If that is the case, what have you been using as a conditioner?
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Old 02-26-2014, 05:10 PM   #18
water was treated with "start Right" by jungle. says it conditions tap water, removes chlorine and adds slime coat. I want to thank everyone for the help and suggestions. this whole experience was so fast and so sad, going to try to keep a few snails and plants but will tear down the tank, clean it well with bleach water and then set it up run it at 86 degrees for a couple of weeks, then cycle it. I know that is probably over doing it, but i never want this to happen again. I love to watch fish, and have always wanted some.
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Old 02-26-2014, 07:09 PM   #19
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I can't find any reference that claims Jungle Start Right detoxifies ammonia. While I'm sure your problem stemmed from other causes, some of the symptoms you described sound like ammonia poisoning.

When you start up again, you might seriously consider using Prime by Seachem. It detoxifies ammonia. That's important if your water supplier uses chloramine.
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Old 02-28-2014, 12:22 AM   #20
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I would advise against sanitizing the tank. Much better to correctly diagnose the problem and fix it. If it is disease, most can be succesfuly treated in a couple weeks or less. If its not disease, then sterilizing will do nothing to help, and when you set up again your likely to develop the same problem. Hallyx makes a good point regarding chloromine. If you're treating your water in a way that does not nuetralize chloromine you might be loading your system with toxins. Cycling is the slowest most difficult part of maintaining a tank and bleaching it will set you back to square one. I recommend getting sea chem Prime as a dechloronator and continue your setup. If it is gill parasites(likely) there are effective treatments available
Good luck!

Last edited by rsskylight04; 02-28-2014 at 12:31 AM..
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