Discus Tank Water Flow rate?

Discussion in 'General Discus discussions' started by Gebhardt, Nov 12, 2009.

  1. Gebhardt

    Gebhardt

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    Hi

    In a discus tank with a sump how do one calculate water flow rate?
    Tank 680lit and sump 95lit.

    Thanks
     
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  3. Dirk

    Dirk Dwarf Catfish

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    Hi Jan,

    I am not sure that I understand your question correctly. Do you mean how much flow rate do you need or do you mean how do you calculate how much flows through the system.

    If you are asking the first question, in other words how much flow rate do you actually need, then for discus you will need to circulate the volume of the tank between 1 to 1.5 times per hour, in other words you will need a flow rate of 700 litres per hour to about 1100 litres per hours.

    If you are asking the second question, then the flow rate of the pump that you are using decides what then flow rate is. However, if you are causing the pump to pump against gravity the flow rate will drop. Any good pump will come with a instruction insert that will show the reduction in flow rate depending on how high the pump must pump, so that you can then see how much the flow rate will be reduced if you pump upwards and with what height difference.

    Please ask again if I have misunderstood you.

    Kind regards,

    Dirk
     
  4. OP
    Gebhardt

    Gebhardt

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    Thanks Prof
     

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