How to fill up new tank

Discussion in 'New Members' started by vleis, 16 Mar 2010.

  1. vleis

    vleis

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    Hi.
    Right my tank is almost finished. the size of display tank will be 1500 x 600 x 600 and the sump 1200 x 450 x 450. My question is the following. Do I put RO water in the tank and then add the salt? or, do I mix the RO water in a container and wait a couple of days and then put the water in the tank? Sounds like a silly question I know. The reason I am asking:
    1. What do I do with the LR? I have heard that when you add the salt the water gets extremely hot.
    2. When do I seed the DSB?

    or must I first put in RO water then the salt then let it circulate for a couple of days then add the LR and sand for DSB and then seed the DSB??

    Please explain?
     
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  3. AfricaOffroad

    AfricaOffroad

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    Salt disolving is not an exothermic reaction, the water should not heat up.
    I dont imagine RO water will be good for your LR or any salt water type organisms. You should only add these once your salinity is correct.
     
  4. neo

    neo

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    thats the way i did it,
    Fill DT 3/4,
    add enough salt for all water volume (DT +SUMP) to DT,
    let a power-head run in DT to mix,
    continue filling with RO and let overflow to sump and fill sump,
    start return pump,
    let pumps run for couple of days (2-3)
    don't add substrate/LR to DT before salt, you might get salt trapped in substrate causing salt 'pockets'.
    Test salinity and temp and adjust within these first days.
    Now you add substrate and LR.
    Add sand to sump from beginning as this displace a lot of water and you dont want to waste, also the reason for adding salt when DT is 3/4 full - salt displaces water and you don't want to waste.

    Suggestion, when you add substrate, switch of your return for some hours to give cloudyness time to settle else it will also settle in the diff sump compartments.

    When you are happy that temp and salinity is ok then seed DSB and add LR.

    keep in mind that many salts specify it make x litres of water at 1.021 and you will need more salt than what they say on the bucket if you want to go to an SG of 1.025.
     
  5. vleis

    vleis Thread Starter

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    Than
     
  6. vleis

    vleis Thread Starter

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    Thanks a million
     
  7. RiaanP

    RiaanP Moderator

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    Filling your sump, first have some salt water in it and dump the sand handfulls into the water. Then you will not trap air in the sand that you have to stirr out.

    Just easier. Do not fill sump completely with water before adding the sand, else it will overflow.
     
  8. RiaanP

    RiaanP Moderator

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    And the sand, must wash it properly before putting it in your sump. It is dirty as hell, does not matter if Reggies say it is washed. Believe me, it is not clean. Use normal tap water. Rince one last time with RO water. Then add it to your sump.
    Same for your display tank substrate.
     
  9. neo

    neo

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    Riaan,
    if you wash the sand it gets saturated with water, just let it stand for 5 min and look at the water forming on top as the sand settles, so is it still necessary to put it hands-full into water in the sump? wont the washing remove the air ?
     
  10. Drk

    Drk

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    It will remove the air but you will have a DSB that will be pockets of RO water and Seawater only with time and bacteria the RO water will be displace with salt water.

    Else as Riaan stated you have to stirr the sand.
     
  11. RiaanP

    RiaanP Moderator

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    yip, easier, nothing gets trapped. And no need to stir the pot.
     
  12. davidfr7

    davidfr7

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    If you built the tank yourself fill it with tap water first to check for leaks. Hate to waste all that time with the RO and you got a leak. Then drain,dry and fill with RO.

    Some guys forget to put PVC wield on there PVC joints.
     
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