Fish Suddenly Died Help

Discussion in 'Freshwater Beginners' started by MJK, Jul 25, 2019.

  1. MJK

    MJKNew MemberMember

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    OK here is the situation, my 17 gallon tank (60x30x36) is one month old. Two days ago I went to buy sand substrate and I put into my tank, turning water cloudy as I forgot to wash the sand. Today one of my white cloud died. Is it cause of the sand? I have also been using my toilet pail and I suspect about it also as sometimes detergent is used in the pail but I washed carefully before doing WC. Currently pH 7. I saw my white cloud having white eyes and stomach red in colour.. Most important
    How do I rectify my situation now??
     
  2. Momgoose56

    Momgoose56Fishlore VIPMember

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    Your White cloud probably was sick when you dumped the dirty sand in the tank. The toilet bucket didn't help the situation any either. Do a big water change (80-90%) now and vacuum the new sand thoroughly while you are draining the water. Get an aquarium test kit and test your pH, ammonia, nitrite and nitrates. I'm assuming you didn't cycle your tank before putting fish in there?
    Aquarium Nitrogen Cycle
     
  3. OP
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    MJK

    MJKNew MemberMember

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    Well it has been a month while I am doing a fish cycle on the tank. My panda corydoras all died when I added after the sand.. Now only 2 white clouds and cherry barbs are surviving

    If 80-90% water change won't it shocked the fish and they will die? I did 90% Water change before and after a few days some fish died
     
    Last edited by a moderator: Jul 26, 2019
  4. Momgoose56

    Momgoose56Fishlore VIPMember

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    What are your water parameters?
     
  5. OP
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    MJK

    MJKNew MemberMember

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    PH 7 now. Not sure about nitrite or nitrates
     
  6. MaximumRide14

    MaximumRide14Well Known MemberMember

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    Is the tank still cloudy? Since the sand is already in the tank you might as well do water changes to help clear up the cloudiness. A gravel vacuum would help in your situation. Since you're doing a fish-in cycle, do you have a test kit or know your parameters?
     
  7. OP
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    MJK

    MJKNew MemberMember

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    Hi, my tank is not cloudy anymore. Nope I don't have a test kit for water parameters
     
  8. MrBryan723

    MrBryan723Well Known MemberMember

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    My guess is an ammonia spike from removing so much beneficial bacteria replacing your substrate. Would explain the inflamed gills and some of the other symptoms.
     
  9. OP
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    MJK

    MJKNew MemberMember

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    Previously my tank was a bare bottom tank without substrate
     
  10. Asomeone

    AsomeoneValued MemberMember

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    Wait a toilet pail? As in the same thing you use to clean the bathroom? No offense but please go buy a new bucket. theyre $5 bucks from home depot and $2.50 from walmart (east coast US) Sand wont kill your fish. Yes it made it a bit cloudy but the fish will be alright. Grab yourself a cheap API master kit from petco, petsmart,pet supplies plus....or I dare say even the 5 test strips. The strips aren't very accurate but you'll have an approximate value on your parameters.
    If youre using the same bucket as you use heavy chemicals you will absolutely kill fish. I know by practice because when I used to be an aircraft mechanic I'd come home with all types of chemicals that most wouldn't even know the name of....They didn't wash off with the standard soap. I killed many a fish by sticking my contaminated hands in the tank.
     
  11. Fashooga

    FashoogaFishlore VIPMember

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    What kind of sand did you add?
     
  12. OP
    OP
    MJK

    MJKNew MemberMember

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    Yes, got myself a new bucket. One question, how do I remedy my situation now, since I have used the toilet pail for one month, this means my bio media bacteria dies? Now what should I do? 100%water change? Old biomedia cannot be used anymore
     
  13. Asomeone

    AsomeoneValued MemberMember

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    Biomedia is present in your tank. In the filter,substrate, and walls/decor of your tank. Water changes, while they can be stressful will normally not decimate a population....In an established FW tank. Given that you may have still been cycling your best bet is to hope for the best through proper treatment of source water and water changes, as well as getting a test kit. Understanding if you have high ammonia, nitrate or nitrite will enable those members of fishlore to give you proper (non guessing) advice.
    Edit I would not continue the practice of huge water changes. I'd do at most a 50% change with clean treated water. After that I'd let the levels dictate the water change frequency. It could be as little as 5gal per week. It depends on your individual tank parameters.
     
    Last edited: Jul 25, 2019
  14. OP
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    MJK

    MJKNew MemberMember

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    Will the detergent kill my bacteria in my tank? Causing the bio media in my filter to all die? If so, I need to change my filter bio media?
     
  15. Asomeone

    AsomeoneValued MemberMember

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    You need to test your levels to determine if your bio colonies have passed on. If you still have live fish in the tank that are active/happy....you can determine this based on pages on fishlore relative to their stress....then no it didn't kill all of the biocolonies. But! soaps/detergent will absolutely kill bacteria and fish. I know youre stressing but I feel like you need to step back and breathe....let the tank do what it does and go from there. If you get testing equipment you will be able to determine exactly what you need to do. Right now were just guessing.
    I wouldnt change the sponge in your filter as it holds a large portion of BB (beneficial bacteria)
    Yes detergent will kill just about anything in the tank but! let things simmer. Things take time in aquariums if you have corrected the issues with the bucket maybe things will work out while you wait for testing equipment.
     
  16. Momgoose56

    Momgoose56Fishlore VIPMember

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    Get a test kit that measures pH, ammonia, nitrites and nitrates and we can help you. Otherwise, we will be guessing what the problem is and will be no help at all. I believe you are poisoning your fish with ammonia and/or nitrites and/or nitrates but I don't know. The only way to know is to test the water. You may help your fish by doing big water changes once or twice a week but again, the only way to know is to test the water. The only way you're going to remove the cloudy mess from your sand is by doing a few big water changes and vacuuming the tank. Get a test kit and test your water. That will tell you what is killing your fish. That's the best advice I can give you without knowing what is going on with your water.
     
  17. OP
    OP
    MJK

    MJKNew MemberMember

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    Thanks for the help, I will get the test kits to see what is going on
     
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