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Thread: Help! Sudden murky/brown tank.

  1. #1
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    Default Help! Sudden murky/brown tank.

    Hello all,

    Sadly last night one of our tanks spontaneously grew murky and cloudy. We acted fast and took out half of the water and filled it with clean water with water conditioner. The parot fish was the only fish in the tank, with gravel, a big fake rock and a fake plant. We did not overfeed, the filter was recently cleaned, and the fish was showing no signs of discomfort or struggle before and after we changed the water. We have had this fish for over three years.

    Unfortunately, within an hour we noticed his tank had become severely brown and we could no longer see into it. When we went to fish him out and put him elsewhere in a panic, he was already dead. We have no idea what caused this ,
    But now another, completely unattached tank seems to be suffering the same fate?

    We changed out half the tank and turned off the filter as it seemed the filter was spewing out white flakes.

    It has been an hour and it seems the water and fish are fine, but this is no permanent solution .

    I have looked all over the internet and have not found anything as severe as a fish dying within an hour.

    PLEASE HELP!! as we don't want to grieve for any more friends.

    The tank currently affected has only an angel fish and an upside down sailfin cat fish
    Last edited by Cptkou; 12-20-2018 at 06:37 PM.

  2. #2
    Administrator and MVP Dec.2015 Second Hand Pat's Avatar
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    Default Re: Help! Sudden murky/brown tank.

    Hi Cptkou, is this a saltwater tank? What type of filter is it?
    Pat
    Your discus are talking to you....are you listening


  3. #3
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    Default Re: Help! Sudden murky/brown tank.

    Quote Originally Posted by Second Hand Pat View Post
    Hi Cptkou, is this a saltwater tank? What type of filter is it?
    Pat

    Hey Pat, it is a fresh water tank with an Aquaclear filter on it for a 70 gallon tank

  4. #4
    Administrator and MVP Dec.2015 Second Hand Pat's Avatar
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    Default Re: Help! Sudden murky/brown tank.

    Can you post a picture of the tank? Does it have substrate? If yes how deep? What was happening when the tank went all murky? Is it possible you killed the beneficial bacteria in the tank? Is the tank planted?
    Pat
    Your discus are talking to you....are you listening


  5. #5
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    Default Re: Help! Sudden murky/brown tank.

    Quote Originally Posted by Cptkou View Post
    the filter was recently cleaned
    How did you clean the filter?
    Water change is not just a chore, it's my life now...

  6. #6
    Homesteader RogueDiscus's Avatar
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    Default Re: Help! Sudden murky/brown tank.

    Is that a canister filter? Anyway, hoses sometimes accumulate a film inside that comes loose when cleaning, sending the white flakes into the water. Just unsightly, not usually a problem. Doesn't explain the brown water or how your fish died. Could something have changed in your water source?

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