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Thread: Bioload Issues on Tank and 3 problems

  1. #1
    Join Date
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    Bioload Issues on Tank and 3 problems

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    Hi Expert,

    I have a custom tall aquarium.

    Dimension: 2.5 Feet (H), 2.5 Feet (L), 1.2 Feet (W).
    PH: 7.8
    Nitrate: 0.25-0.50
    Photo of my tank attached.
    Tank is about 1 year old.

    I have actually 3 problems that I am currently encountering.



    1) Problem: Alot of bioload issues at the bottom of my tank. Suspected the inlet of Water is positioned too high. Circulation is not good enough for the extreme high tank.
    Actions Taken: None yet. (Thinking to position a Propeller pump to increase the circulation at the bottom.

    2) Cardinal Tetra Keep Dying (About 30)
    Actions Taken: I suspect it is still due too my strong flows. I have just reduce my outlet flow with a cushion.

    3) Nitrate wont go down at 0.50 (With Salifert Testkit), (My Coral Reef tank I can bring down to 0.0)
    Actions Taken: Water Change, Dosing of Bacteria and Seachem Prime but problem persisted.

    Appreciate some Advise and help....
    Attached Images Attached Images

  2. #2
    Join Date
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    Re: Bioload Issues on Tank and 3 problems

    Should I extend the Pump pipe to near bottom of the tank?
    I dun know where to buy the pipe.

    Substrate: Only Sand
    Filteration: Canister Filter, Fluval 300

  3. #3
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    Re: Bioload Issues on Tank and 3 problems

    Wow, you have such a beautiful tall tank which I envy so much! Very nice and appealing tank!

    For a start, I would try increasing oxygenation by adding a bubbler to the setup, since water circulating via the canister's closed system does nothing much in terms of oxygenation.

    Fish poo at the bottom should be siphoned out regularly with a simple DIY siphoning tube made by connecting a hard plastic tubing to a flexible air tubing. The 1m hard plastic tubing, easily obtainable at C325 or C328, should be cut to be slightly longer than the depth of your tank. Use this siphoning tube to suck up fish poo, preferably on a daily basis.

    The above steps should ensure a better ecological balance of the tank environment, not forgetting the usual partial water change every week. Use of chemicals should be avoided so as not to kill off the established bacteria colonies.
    LIFE IS UNBEARABLE WITHOUT A FISH TANK!!!

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