DIY external filter

Discussion in 'Filters, Filtration and Pumps' started by Themuleous, 11 Nov 2009.

  1. Themuleous

    Themuleous Member

    Messages:
    4,126
    Location:
    Aston, Oxfordshire
    Anyone tried/made a DIY external filter?

    It would seem pretty straight forward using a lockable food storage container like this and a powerhead (which makes getting decent flow easier).

    http://www.cookshop.uk.com/prod_img/1369_1_large.jpg

    The tricky bit I can see is getting a seal around the tubing connectors, I think sumps on marine tanks have something like this for holes they cut into the glass, I'm just not sure what I'm looking for?

    Any tips?

    Sam
     
  2. Steve Smith

    Steve Smith Member

    Messages:
    4,428
    Location:
    Leamington Spa, UK.
    I can't find the post but I did find some info on doing this, with a small cheap 300lph power head (cheap ebay job). I didn't get around to trying it out though :) I did have a link somewhere...
     
  3. samc

    samc Member

    Messages:
    1,381
    i have made a small one with a lunch box which was working well when i tested it. i have not used it on a tank yet though
     
  4. vauxhallmark

    vauxhallmark Member

    Messages:
    569
    The plumbing fittings used to put pipes through tank's glass sides are called bulkheads.

    Mark
     
  5. Themuleous

    Themuleous Member

    Messages:
    4,126
    Location:
    Aston, Oxfordshire
    Perfect, thanks Mark :thumbup: I knew there was a name for them!

    Sam
     
  6. a1Matt

    a1Matt Member

    Messages:
    2,498
    Location:
    Bromley
    Sam, I know I am going off on a tangent here...

    If I was DIY'ing a filter I'd be inclined to go for a sump with bulkheads in and out of the tank. You get a larger area for biological filtration and could play about with tubing lengths\pump ratings\head heights\flow accelerators to get the exact amount of flow you want. (flow like Ed describes here: viewtopic.php?f=10&t=3012&p=32891&hilit=+diy+filter+#p32891 )

    Not because I think it is better than an external but just because it would be more fun to DIY :rolleyes: :lol:

    back on topic...

    'loc-line' do a range of modular hosing and connectors. Might be useful to you.
     
  7. Themuleous

    Themuleous Member

    Messages:
    4,126
    Location:
    Aston, Oxfordshire
    So there do, cheers Matt :)
     

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