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  • Cloudy Tank

    I can't seem to get my tank to clear up. It has been a couple months now. It is a 200 gallon tank with Malawi Africans. I have been doing 50-75 percent water change every week to no avail. It has a good wet dry filter system pushing several hundred gph. The water tests fine and the fish are fine, it just doesn't look as great as it used to. Now I don't have any mechanical filtration, just biological. Could that be the issue? I have used flocculants and they help a little for a couple days. The cloudiness varies from a green hue to just a straight white cloudy. Any advice will be appreciated. Tanks in advance!
    300g Discus tank

    200g African tank - Malawi

    36g
    Fry (Leleupi Fry)

  • #2
    Don't do a water change for a few weeks. Give the bacteria and other micro organisms a chance to stabilize. Cloudy only means there is a bloom of an organism and you keep giving it more fresh water to bloom in.

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    • #3
      Is the tank established? Can you provide your water parameters? It sounds like you just need some mechanical filtration to pick up the floating particles, but as Ken is touching on, your tank also could not be fully cycled


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      • #4
        It sounds like the filter is not fully matured. Can you provide us with some background:

        How long is the tank set up?
        How many fish and their size?
        What is your filtration system? (you mention a wet dry, but if that is all it probably not enough for a tank that size)
        How often you clean you filter?
        How often do you feed your fish?
        010G Long fin BN grow-out
        020G Electric blue, Red Fin Borleye FOR SALE
        020G Leulepi grow-out
        020G Leulepi, Julidochromis, chalinochromis, BN breeder
        030G Leulepi breeder
        030G SRD FlowerHorn
        040G Hongi Sweden breeder
        090G Tangs community
        100G Tangs community
        150G Cyphos Moba & Leulepi

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        • #5
          The tank is mature. It has been set up for about 18 months. I clean the filters every weekend and usually do a do about a 20-25% water change once a week. The fish get feed once a day, sometimes twice, but no food is ever left over. The wet/dry is well established and has been doing a great job. But as I mentioned, until now biological filtration is all I have used or needed. I did add 500ml of purigen in 2 separate bags about a week ago. Doesn't seem to have helped with the cloudiness yet.
          300g Discus tank

          200g African tank - Malawi

          36g
          Fry (Leleupi Fry)

          Comment


          • #6
            Can you post a picture of the tank? You shouldn't need to clean filters every week. Cleaning them every week is breaking down your biological


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            • #7
              I will post a pic later today. I only clean the sponge filters every week. I don't clean the bio balls and the other media I have in there or the wet/dry often.
              300g Discus tank

              200g African tank - Malawi

              36g
              Fry (Leleupi Fry)

              Comment


              • #8
                Can you give us some water parameters?


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                "Only a life lived for others is a life worthwhile."

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                • #9
                  Keep in mind a sponge filters are nothing but biological filtration.


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                  • #10
                    Yeah a picture would help.
                    010G Long fin BN grow-out
                    020G Electric blue, Red Fin Borleye FOR SALE
                    020G Leulepi grow-out
                    020G Leulepi, Julidochromis, chalinochromis, BN breeder
                    030G Leulepi breeder
                    030G SRD FlowerHorn
                    040G Hongi Sweden breeder
                    090G Tangs community
                    100G Tangs community
                    150G Cyphos Moba & Leulepi

                    Comment


                    • #11
                      Here are a couple pics.





                      300g Discus tank

                      200g African tank - Malawi

                      36g
                      Fry (Leleupi Fry)

                      Comment


                      • #12
                        I can't see the pics for some reason, so pardon me if one of the pics are of your parameters. Do you have a test kit that you can use to give us readings on ammonia, nitrite, and nitrate?

                        "Only a life lived for others is a life worthwhile."

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                        • #13
                          Water parameters

                          0 Nitrates, Nitrites and Chlorine
                          150 Hardness
                          180 Alkalinity
                          7.6-7.8 Ph
                          300g Discus tank

                          200g African tank - Malawi

                          36g
                          Fry (Leleupi Fry)

                          Comment


                          • #14
                            What about ammonia? 0 nitrates can't be right, be sure to shake the bottle vigilantly according to the instructions. If your ammonia and nitrite are both zero, then you can rule out a bacterial bloom. If that's the case, then the solution to your problem is the addition of sponges/floss for mechanical

                            "Only a life lived for others is a life worthwhile."

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                            • #15
                              I waited the full 5 min before taking the reading this time

                              0 Ammonia
                              20-40 Nitrates

                              All other test same as first reported
                              Last edited by sisyphus895; 05-09-2015, 03:24 PM.
                              300g Discus tank

                              200g African tank - Malawi

                              36g
                              Fry (Leleupi Fry)

                              Comment

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