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Results 1 to 9 of 9
  1. #1

    Join Date
    Aug 2020
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    Default Traumatized Cardinal Tetras


    0 Not allowed!
    Hi all - I'm hoping you can help me out. I have a 10-gallon aquascaped tank with what used to be a small school of cardinal tetras who were always very finicky about eating, but who settled on Tetrafin granules after much trial and error. However, I was away this weekend and when I came back, I discovered with horror that the person who was supposed to be taking care of all my fish had royally messed up - not only was my tetras' tank completely ruined, but most of the fish were dead.

    I managed to save 3 of them and immediately got them into clean treated water while I scrubbed, emptied, and refilled the tank, but the water is still pretty cloudy, as I couldn't get 100% of the dirty water out without completely removing all the plants and soil substrate (I did remove most of the plants, as they were beyond salvation). I'm doing daily 50% water changes to get the water clearer, and it's slowly working, and the fish are looking healthier and are swimming around again, but they WON'T EAT ANYTHING.

    I don't know what to do. Eventually I want to replace the plants and soil with gravel, to make the tank easier to manage, but I want to give my fish time to recover first. Does anyone have any suggestions as to what else I should do to help them right now? And, most importantly, how do I get them to eat? (I think they are averse to their old food because the person who killed their family dumped way too much of it into the tank, but that's just a theory.)

    Thank you!
    Last edited by Slaphppy7; 08-06-2020 at 06:04 PM.

  2. #2

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    Default


    0 Not allowed!
    Welcome to the AC.

    How long had the tank been set up? Was it cycled?

    TBH, 10G isn't big enough for cards.
    10 Gallon Beginner Tank... Journal
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    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  3. #3

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    Default


    0 Not allowed!
    Yes it was. And I was worried about that, but I found conflicting things on the internet, and the multiple different tropical fish stores (all with excellent ratings) I went to in NYC all told me 10G would be ok when I specifically asked about cardinal tetras...but there are only 3 of them now, and I'm not getting more, and I'm just concerned with keeping the ones that are left alive.

  4. #4

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    Default


    0 Not allowed!
    Do you have a liquid test kit?

    How was the water fouled, overfeeding?
    10 Gallon Beginner Tank... Journal
    40 Gallon Breeder: ... Journal
    29 Gallon: ... Journal

    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  5. #5

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    Default


    0 Not allowed!
    I assume that the person responsible dumped a bunch of food in the tank and left it for 3 days. That's my best guess, but I can't be 100% certain.

    I have test kits for ammonia and pH. The ammonia has been high so I'm in the process of treating for that.

  6. #6

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    Default


    2 Not allowed!
    Water changes are like a breath of fresh air for them. Keep doing those, and large changes at that. You can do them at 12 hour intervals, even.

    For the next time you are away, your fish will be fine for 3 days without food. You don't need a tank-sitter for under a week of your away time.
    Learn from yesterday
    Live for today
    Hope for tomorrow

  7. #7

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    Default


    0 Not allowed!
    Good advice from Rivers.

    Treat with Seachem Prime, and nothing else.
    10 Gallon Beginner Tank... Journal
    40 Gallon Breeder: ... Journal
    29 Gallon: ... Journal

    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  8. #8

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    Default


    0 Not allowed!
    Have you tried frozen foods like brine shrimp, blood worms or daphnia?

  9. #9

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    Default


    0 Not allowed!
    Thank you to all for the advice! I have been doing regular water changes and the tank itself is doing much better, but the fish are rapidly decompensating - they are now perpetually hiding motionless in the tall plants in the back of the tank and, from what I can tell, have not eaten in at least a week and a half. I have tried feeding them their normal food (Tetrafin granules), Tetrafin flakes, bloodworms, and brine shrimp - they show no interest, even when the food is falling down around them.

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