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Best Hole Sizes

Discussion in 'Filtration / ULNS' started by tigerbird45, Feb 19, 2018.

  1. tigerbird45

    tigerbird45 Registered

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    What is the best hole sizes to drill to sump a tank n also best plumbing for the hole as what to sump tank any thoughts would be greatly appreciated thanks Mike
     
  2. doug_amanda

    doug_amanda Admin Staff Member

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    Depends on what overflow system your going for and the size of the tank, if I was looking to sump a non stumped tank I think I would go for the xaqua or oceanlife overflow just for simplicity’s sake.
     
  3. jim_fitz

    jim_fitz Admin Staff Member

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    think you would to look at the tank connector sizes
    just in case they are bigger
     
  4. steve861uk

    steve861uk Registered

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    The picture below shows a more popular/modern system with 3x pipes in a weir. The short pipe is the main supply to your sump and flow/water height can be controlled by placing a flow control valve on this pipe in your cabinet before it flows into the sump, the pipe in the middle is the emergency overflow (configured as a durso with an air valve on the top, which prevents air locks and noise). Finally the pipe on the left is the return from your sump, which can connect to a spray bar or a nozzle to control/direct flow around your display.

    As you can see they are all flanged pipes.....put silicone sealant under the flange and push the pipe through your drilled holes.

    The hole size will be determined by the diameter of the pipe across the screw threads below the flange.

    A seal and threaded lock ring will keep them secure and leak free. All you need do then is work on your plumbing inside the cabinet - simples :)

    If you shop around you can buy them as a kit (maybe even from ND aquatics who make tanks and sumps to order?), LFS's should also be able to supply.

    [​IMG]
     
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