my attempt at a diy overflow box

Discussion in 'Anything DIY Related' started by brettb2020, 6 May 2009.

  1. brettb2020

    brettb2020

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    im building an overflow box because i got some really really cheap plexi glass. i dont think im gonna be using it anytime soon cos its way to big for my tank.

    plexi glass is so awsome to work with, it bends easy, cuts easy and melts easy. i just used a mini blow torch to heat the lines to bend. i bent them on the corner of a square block of wood to get a perfect 90 degrees. used pratley ezee bond to stick the sides. worked really really well. super strong!

    anyways, its looking like this sofar:


    [​IMG]

    just gotta cut a grill like thing in the front and put the pipes and pipe fitting in, i put 2 downpipes incase 2 is needed:) its quite big!

    should be done tomoro for a test
     
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  3. lIghty

    lIghty

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    Not bad! bends look good!

    but reminds me of something:whistling:
     
  4. jacquesb

    jacquesb Retired Moderator

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    That's some AWESOME handy-work Brett....
     
  5. RiaanP

    RiaanP Moderator

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    The top part "n" should have been black. Prevent algae and coraline growth in a place you can not get to.

    Suggestion, if you have a powerhead with a venturi inlet.
    drill 6 mm hole in middle of "n" piece. And put a black irrigation flex pipe between the "n" and venturi. Then automatically if any bubbles do enter this section, they will be sucked out. Will always keep your syphon and you do not have to worry about that.

    If you worry about small bubbles in your display because of this, it then just show you that you would have lost your syphon and would have had a flooded tank...;)
     
  6. brettb2020

    brettb2020 Thread Starter

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    always wondered why the expensive overflows are black on top:)

    Thats actually a damn good idea riaan. Thanks for the suggestions:)
    Posted via Mobile Device
     
  7. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Where did you get the material from Brett?
     
  8. brettb2020

    brettb2020 Thread Starter

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    from city plastics on half street mek. They got big offcuts there for really cheap. Even the plexi glass in standard sizes is cheap less than half the price of maizeys.
    Posted via Mobile Device
     
  9. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Cool thanks bud!
     
  10. brettb2020

    brettb2020 Thread Starter

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    no problem.:) you gonna make one?
    Posted via Mobile Device
     
  11. Mekaeel

    Mekaeel Moderator MASA Contributor

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    No, dont really need one. Was just curious :)
     
  12. Tobes

    Tobes Retired Moderator

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    Very nice job there Brett, well done :thumbup:
     
  13. aslam

    aslam

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    Wow brett,nice handy work.
     
  14. brettb2020

    brettb2020 Thread Starter

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    thanks guys :)

    i just finished of building and testing it. and OMG! it works so well! i cannot believe the flow this thing handles. i had 2 1500l pumps for return which it handled fine. then i got my hose pipe to see if i could get the tank to overflow but i couldnt, the overflow box kept up!
    then to see what this thing really had, i filled a big bucket of water and dumped it into the tank, looked something like this:

    [​IMG]

    here is a pic holding its syphon:

    [​IMG]

    overall im really happy with it :)
     
  15. scubaninja

    scubaninja

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    very nice little device there mate ;) a bit hectic for me, but very neatly done!
     
  16. brettb2020

    brettb2020 Thread Starter

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    haha its bit hectic for my tank too!!
     
  17. jacquesb

    jacquesb Retired Moderator

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    AWESOME overflow Brett! Awesome DIY work!
     
  18. Falcon

    Falcon

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    awesome stuff man your diy skills are impressive bro!:)
     
  19. Warr7207

    Warr7207

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    Very clever, well done
     
  20. RiaanP

    RiaanP Moderator

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    Cool,
    Question, what size return pump did you test with?

    And the airline tube on top, got 2 options, either check the syphon for air regularly and then suck it out with your mouth, or else connect that to a powerhead that have a venturi.

    Can you put a black piece of persplex over the syphon part. To prevent algae growth inside where you can not clean.

    End last year I wanted a persplex company to build a small overflow like this, got a quote and it was crazy. The standard Tunze is too big. But it looks like your DIY route is the way to go.
     
  21. brettb2020

    brettb2020 Thread Starter

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    thanks guys.:)

    Riaan, look a few posts up. I described how i tested it. :)

    I dont have a venturi pump yet but im gonna try make a venturi soon.:) so for now im just gonna use my mouth.:)

    Im gonna stick black vinyl sticker on the syphon part:)

    This box cost me just over 100 bucks to make and quite a bit of time. Much cheaper than 1000 bucks. I love diy:) lol
    Posted via Mobile Device
     
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