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  1. #1

    Join Date
    Nov 2012

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    Default Sump for reef tank

    0 Not allowed!
    Hi all,

    i need help with setting up the sump for a friend of mine 500l marine tank. the Equipment i have is as follows:

    1 x Sump - L58 H60 W48 aprox. 167 liters
    1 x REEF OCTOPUS protein skimmer - SSS2000INT - with 1000lph pump
    1 x REEF OCTOPUS bio-pellet reactor - BR140
    1 x REEF OCTOPUS pump - 1000lph
    1 x REEF OCTOPUS pump - 3000lph

    can you please assist me with the sump layout and mostly with how should the water flow go. my idea is that from the tanks over flow the water should go into the chamber where the skimmer is... from there the water should go into another chamber where the bio-pellet reactor is and from there the water should go into a third chamber with live rock for the final stage of filtration before it goes into the last chamber which will house only the return pump. now i have two problems:

    1) the skimmer and the pump that feeds the bio reactor are both 1000lph where the return pump is 3000lph which will cause too much water coming back into the sump and causing the chambers to over flow thus mixing the clean and dirty water.

    2) we were advised by the person that we got the equipment from to have the protein skimmer and the bio reactor return the water back into the protein skimmer chamber and from there the water will overflow into the chamber with the live rock, which doesn't make sense to me because i don't understand why would i want to mix water that has just been cleaned with water coming directly from the tank.

    i'm very new to this and would appreciate all help and advise from the more experienced members.. please let me know if somethings are not clear and thanks for your help in advance

  2. #2

    Join Date
    Jan 2010
    Saskatchewan, Canada

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    0 Not allowed!
    It would be helpful if you could post some pics of your sump. The below links can help with the sump layout and plumbing it all together as well.

    To answere your other questions
    1) you should have the flow through the sump match the flow of your skimmer. Once you have the reactor plumbed in from the return line and factor in the loss of flow from that and the elbows and head height, you actual return pump flow will likely pretty close to 1000lph so I would not worry about it too much

    2) That is correct, you want the water coming out of the bio-pellet reactor needs to flow into your skimmer compartment. That way, your skimmer will remove the free floating bacteria that consume / carry the nitrates and phosphates thus removing them from your water. That is key to how carbon dosing works. The below link explains carbon dosing in a little more detail

    I hope this helps
    If you take your time to do the research FIRST, you can successfully set-up and keep ANY type of aquarium with ease.
    "Not using a quarantine tank is like playing Russian roulette. Nobody wins the game, some people just get to play longer than others." - Anthony Calfo
    Fishless Cycle Cycling with Fish Marine Aquarium Info [URL=""]

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