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  • All Fish Dead After Water Change

    im in the process of change my water and all my fish went crazy and are now sitting belly up on the bottem of the tank. i added purigen to my tank about a week ago and this is the first water change since. 0 ammonia 0 nitrates 0 nitrites. the only thing that ive done diffrent is add the purigen a week ago. the fish are look dead but seem to be twitching on the bottem im not going to flush anymore untill im 100% sure they are dead. please help me find out what is killing my fish.

    --I contend that we are both atheists. I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
    -Stephen Roberts

  • #2
    Originally posted by paranoid1123 View Post
    im in the process of change my water and all my fish went crazy and are now sitting belly up on the bottem of the tank. i added purigen to my tank about a week ago and this is the first water change since. 0 ammonia 0 nitrates 0 nitrites. the only thing that ive done diffrent is add the purigen a week ago. the fish are look dead but seem to be twitching on the bottem im not going to flush anymore untill im 100% sure they are dead. please help me find out what is killing my fish.
    need more info

    fresh or salt?

    did you use water conditioner

    did you check the temp
    Tropheus Elitist Maximus
    150 Troph & Petro mix Link
    ** P.Trewavasae P.F.Chimba P.M.green **
    ** T.Zongwe**


    150 Tropheus Moorii "Murago" Link

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    • #3
      Its fresh water, the temp was about the same, and I used Prime.

      --I contend that we are both atheists. I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
      -Stephen Roberts

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      • #4
        Test for ammonia. Houston water has been messed up lately.

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        • #5
          All Fish Dead After Water Change

          Originally posted by ssrprelude View Post
          Test for ammonia. Houston water has been messed up lately.
          It ammonia tested all 3 tanks and tap. All tested 0 also prime should take care of the ammonia.

          --I contend that we are both atheists. I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
          -Stephen Roberts

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          • #6
            I would increase the amount of Prime, and I would add a ton of aeration to the tank. Prime needs oxygen to do its magic.

            What fish do Jesper have
            180 WC T. Moorii Chilambo +1 Petro trewavasae.
            110
            Cyps, WC Xeno Spilopterus Kipili WC/F1/F2 T. sp red Kiku
            58 S. Decorus

            "The problem with socialism is that eventually you run out of other people's money." -Margaret Thatcher

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            • #7
              Check nitrates and nitrites? My fish would do this but they would lay on their sides and their gills would flare. Tested my water and my nitrites were really high so I put some plants in, got a bubbler and got some Tetra Nitraban and it took care of it. Good luck!

              How long has the tank been running for?
              College = fishless for now. Vicarious living!

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              • #8
                Originally posted by Dow View Post
                Check nitrates and nitrites?
                nitrates 0 nitrites 0 in the tank and tap.
                Originally posted by Dow View Post
                How long has the tank been running for?
                the tank has been up for over 2 years. Ive never done any thing different. take water out about 75%; add prime 1 capfull for a 55gal, add water. been doing the same thing every week for the past 2 years.

                ps. all fish are dead except my lobster and placo

                --I contend that we are both atheists. I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
                -Stephen Roberts

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                • #9
                  HMmmmm... Fish are all old at the exact same time? That is rather strange... I hope you find the answer and I hope your twitchy fish are still alive!!
                  College = fishless for now. Vicarious living!

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                  • #10
                    Originally posted by Dow View Post
                    HMmmmm... Fish are all old at the exact same time? That is rather strange... I hope you find the answer and I hope your twitchy fish are still alive!!
                    the all died.

                    --I contend that we are both atheists. I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
                    -Stephen Roberts

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                    • #11
                      Originally posted by Zulaab View Post
                      I would increase the amount of Prime, and I would add a ton of aeration to the tank. Prime needs oxygen to do its magic.
                      wish I knew that earlier.

                      --I contend that we are both atheists. I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
                      -Stephen Roberts

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                      • #12
                        :( I'm sorry!
                        College = fishless for now. Vicarious living!

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                        • #13
                          Prime will take the Oxygen first before the fish do, so what you are seeing is the fish on the bottom are gasping for air because Prime has taken it all.
                          To make a simple explanation of how Prime or any other detoxifiers.
                          If there is only Chlorine in the system, prime converts the chlorine into a couple of harmless chemicals.
                          Chloramine on the other hand, prime breaks down Chloramine first into Ammonia and Chlorine.
                          Then prime needs to convert the chlorine and ammonia into chemicals that are harmless to the fish.
                          Each conversion, uses oxygen to make the conversion. So with Chloramines in the water you have to make 3x the number of breakdowns than you do with Chlorine. This is why its really important that when you have Chloramines in the water that you make sure you use the exact numbers which the bottle tells you. Chlorine is easy to break down. Chloramines are not easy at all to break down because you are breaking down several chemicals to make the water safe.. The fish you said that survived are Pleco's and Lobster. Both are fish that can live in low oxygen water.

                          What fish do Jesper have
                          180 WC T. Moorii Chilambo +1 Petro trewavasae.
                          110
                          Cyps, WC Xeno Spilopterus Kipili WC/F1/F2 T. sp red Kiku
                          58 S. Decorus

                          "The problem with socialism is that eventually you run out of other people's money." -Margaret Thatcher

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                          • #14
                            What do you use for the water change? a hose? a bucket?
                            Any way something could have contaminated them? It sounds like something more than just lack of oxygen.
                            I feel for you.
                            I lost a couple during a water change, but never the whole tank.

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                            • #15
                              I've been burned more than once by the water company. If they have a problem (like an algie bloom in the summer heat) they add more chemicals. More chemicals make it safer for you and me but not so much for the fish. Thats why I put my tap water in a 55g drum, treat it and circulate it for a day or more before using a submersable pump to do a water change. Don't assume the water out of the tap is the same as last time. Test it. At the very least, test it after you treat it.
                              'Dear Lord,' the minister began, with arms extended toward heaven and a rapturous look on his upturned face. 'Without you, we are but dust ...'
                              He would have continued but at that moment my very obedient daughter who was listening leaned over to me and asked quite audibly in her shrill little four-year old girl voice, 'Mom, what is butt dust?'

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