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  1. Thread: Wayne

    by the coyman
    Replies
    8
    Views
    916

    The draco is a mechanical water cleaner only but...

    The draco is a mechanical water cleaner only but what is suggested here is a failure in biological filtration. Are Nexus 320 not able to do mechanical as well.
  2. Thread: Pond 2.0

    by the coyman
    Replies
    503
    Views
    39,794

    Glad you corrected that, it had me having a...

    Glad you corrected that, it had me having a sleepless night:)
  3. Thread: Pond 2.0

    by the coyman
    Replies
    503
    Views
    39,794

    is it PVC or is it polypropylene they use to make...

    is it PVC or is it polypropylene they use to make this item I wonder.
  4. Thread: Plant help

    by the coyman
    Replies
    157
    Views
    4,285

    Download one of the free plant app's like...

    Download one of the free plant app's like plantsnap or Candide. All you do then is take a picture of a plant and the app will identify it for you.
  5. Replies
    154
    Views
    12,930

    That's bad form,seems they are not very well...

    That's bad form,seems they are not very well organised at packing their products as others have gotten broken stuff too.
  6. Replies
    14
    Views
    978

    If you decide to bed the blocks in mortar make...

    If you decide to bed the blocks in mortar make sure the mortar does not impede you pouring concrete down the insides of the cavities. Stacking them without mortar and then pouring concrete into them...
  7. Replies
    154
    Views
    12,930

    https://www.pipeforce.ie/pvc-fittings-valves/...

    https://www.pipeforce.ie/pvc-fittings-valves/ they have all sizes.
  8. Replies
    154
    Views
    12,930

    https://www.pipeforce.ie/pvc-fittings-valves/...

    https://www.pipeforce.ie/pvc-fittings-valves/
    They have all sizes.
  9. Replies
    154
    Views
    12,930

    I think B&Q stock 50mm pipe.

    I think B&Q stock 50mm pipe.
  10. Replies
    154
    Views
    12,930

    https://www.omnicalculator.com/construction/pipe-v...

    https://www.omnicalculator.com/construction/pipe-volume looking at this calculator you can push approx 26000 listers through 3 meters of pipe however as you push the water up towards the RDF you get...
  11. Replies
    154
    Views
    12,930

    Going down then running along the underground...

    Going down then running along the underground then pushing back up the wall will seriously weaken the umph of the force of the water flow.
  12. Replies
    154
    Views
    12,930

    Since the anoxic pond is sitting higher than the...

    Since the anoxic pond is sitting higher than the pond can you not feed the pipes through the anoxic pond wall and run it inside the top of the pond wall incased in concrete.
  13. Replies
    154
    Views
    12,930

    I would favour you return all your water from the...

    I would favour you return all your water from the RDFto the anoxic pond. A good submersible pump would be well able to feed 4 X 1.5" pipes that run along both side of the pond and enter as jets....
  14. Replies
    154
    Views
    12,930

    Pipe Size (inch) Maximum Flow (gal/min)...

    Pipe Size (inch)
    Maximum Flow (gal/min)
    Velocity (ft/s)


    2 1/2
    75
    5.0
  15. Replies
    154
    Views
    12,930

    Why not fit a submersible pond in the top part of...

    Why not fit a submersible pond in the top part of the Anoxic pond to push water to the jets and let the waterfall just spill over. It would mean 1 pump to push the water from the exit of the RDF to...
  16. Replies
    154
    Views
    12,930

    In the drawing you have the bottom drain entering...

    In the drawing you have the bottom drain entering the filtreau 20 RDF and then returning to the pond without going through the Anoxic pond. That would mean the bulk of the water is not getting any...
  17. Replies
    154
    Views
    12,930

    Have you considered an overflow pipe and also a...

    Have you considered an overflow pipe and also a water top up unit as well.
  18. Replies
    154
    Views
    12,930

    I am following what you are doing as I plan my...

    I am following what you are doing as I plan my upgrade next year. 1 thing you did not mention is any returns as jets. By using 50mm pipe 200mm below the water level and at an angle they create a...
  19. Replies
    22
    Views
    1,444

    4" bottom drain works fine but I recall a thread...

    4" bottom drain works fine but I recall a thread here that said some people had issues with sludge settling in the pipe and slowing down the rate of flow. It all depends on how much depth and volume...
  20. Replies
    22
    Views
    1,444

    A bit of science lads, In a water flowing...

    A bit of science lads, In a water flowing pipeline,if the diameter of the pipe is reduced,the pressure in the line will increase, Bernoulli theorem.
  21. Replies
    26
    Views
    2,121

    You can hire any breaker if that's what you need....

    You can hire any breaker if that's what you need. Get a skip too as clean as you go makes the work easier. once the walls are built and all your plumbing is in then back filling the finished walls is...
  22. Replies
    22
    Views
    1,444

    Using a 3" bottom drain instead of a 4" one...

    Using a 3" bottom drain instead of a 4" one should give more force when the weight of the pond is pushing through it.
  23. Replies
    26
    Views
    2,121

    https://sacramentokoi.com/wp-content/uploads/2018/...

    https://sacramentokoi.com/wp-content/uploads/2018/05/3000.pdf Here is another read for you. They are a very experienced company for Koi pond building and they use 3" bottom drains instead of 4". You...
  24. Replies
    26
    Views
    2,121

    I am Ireland based too. I will be planning a...

    I am Ireland based too. I will be planning a rebuild next year so I am sorting out things now in advance. I plan to build my own drum filter and have started compiling the parts needed. I also plan...
  25. Replies
    26
    Views
    2,121

    You would need a drum filter to remove the solids...

    You would need a drum filter to remove the solids first.
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