Stuck at Overflow Problem

Discussion in 'Beginner Discussions' started by xtreme, 30 Oct 2010.

  1. xtreme

    xtreme

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    Hi guys

    I've got a problem with overflow design, I know how wider the surface is skimmed how better it is but have a problem with fittings to fit (A) in the overflow and can't put a box (B)under the glass for the fitting due to that I want the sand to be only 1cm deep and will look ugly sitting there.
    If I fit a corner overflow that is about 15cm wide will it be enough?

    Tank size 63cmL x 43cmH(O/F at 40cm)x 40cmW

    Pic to show
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    The corner overflow and fit a grid to prevent fish and snails to go over

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    There the fitting will fit and have to put second one above the bottom one due to space, if water is only flowing through the bottom pipe it's fine then there is a second one if something happens. I will also install ball valves to regulate flow and to keep it noise free


    So guys, can I go with the corner over flow or must I think of something ells?
     
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  3. ashley100

    ashley100

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    i whent with a corner over flow just done it looks like it works fine protein skimmer catches a lot of crap. my corner over flow is 25cm across so i just dropped a 2000lhr pump to pump to my sump
     
  4. xtreme

    xtreme Thread Starter

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    Meaning by that Ashley?

    Did you fit a pump in the overflow to pump to your sump?
     
  5. ashley100

    ashley100

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    yes
     
  6. ashley100

    ashley100

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    pump just sits at the bottom pumps water out to my sump
     
  7. xtreme

    xtreme Thread Starter

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    ashley what happens when your pump stop working?

    I know there will be a siphon effect and the water will still go to your sump, but what will happen when that siphon brakes and your return pump keeps on pumping water to your DT and run dry burning out or if you have a large qty water in the return chamber you will overflow your DT

    any pics on your over flow mod?
     
  8. ashley100

    ashley100

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    here are the pics
     
    Last edited: 2 Nov 2010
  9. ashley100

    ashley100

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    oops!!!
     
  10. ashley100

    ashley100

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    [​IMG]
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  11. xtreme

    xtreme Thread Starter

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    hahahaha ok I seeeeeee:p

    you used the pump of the hang on unit at top of the tank:thumbup:
     
  12. ashley100

    ashley100

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    i know i dont have enough sand in my sump im getting more soon.
    then my water from the sump to the filter flows back into my dt and my water level is just right so when the power goes off no water gets siphoned back into the sump.
     
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