Powerheads

Discussion in 'General Discussions and Advice' started by Maddy, 17 Jan 2014.

  1. Maddy

    Maddy

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    Hi. Ive read all the threads about powerheads, but nothing is really answering my question. I have Seio M1500 ghp - 6000lph - 12w powerheads. Are they too strong for my tank? (1.2 litre) as there is flow everywhere. I can't seem to find places (for example for corals that don't like a lot of flow) where there is much lower flow. Mushrooms are also lifting a bit on the edges from the flow. Is this okay or too strong?
     
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  3. Aquetas

    Aquetas

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    Hi Maddy

    What size tank do you have? Pictures will help as well to see how your powerhead is positioned.
     
  4. butcherman

    butcherman Moderator MASA Contributor

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    Could you explain how you have your pumps set up, perhaps a picture?

    I had a std 1.2m tank I had a 6000l sunsun a 13000l tunze and 2500l sieo, and I still thought I had to little flow.
     
  5. mala1610

    mala1610

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    Hi Maddy I have a 1500x600x600 tank and I have the same problem with to much flow I cant seem to put 2 flow pumps on. At the moment I have only 1 x sun sun 6000lph ... It also depends on what corals you are going to stock in you tank. As @Aquetas mentioned pictures will help.
     
    Last edited by a moderator: 26 Nov 2015
  6. RiaanP

    RiaanP Moderator

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    Depending as well on the type of corals you got. Softies like large leathers and pincushions do not like too much strong flow. LPS medium too, also very low, depending on the coral. Bubble coral and elegance at the lower flow scale where acans can take more. SPS like strong good flow.

    So anything from 20 times tank turnover up to 60 or even 80 times tank volume turnover per hour.

    But yes, flow does depend on the type of powerhead. Some are designed to give a narrow flow that can reach very far, like Aquamedic streampumps. Others gives a much wider flow that is "weaker" as in does not give that strong flow in front of the pump. But do not be fooled. The wider softer flow might be better than strong narrow flow. Especially if aimed at your corals and rock structure that is less than 200mm away.

    So yes, every setup is different. Pictures will help.
     
  7. Maddy

    Maddy Thread Starter

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    I have a 1200x600x600 tank (488 litres - without sump). I have tried all possible places, the flow remains quite a lot. Don't know if my mushrooms are supposed to be lifting on the sides from the flow? I have ricordias, candy corals, mushrooms, one clam, magnificent anemone, small torch and then I have a milipora and prostrate (but not too keen on them, might be selling them off sometime). My powerheads are just a bit higher than in the picture (very slightly) and both are pointing to the centre of the tank, about a quarter from the top. Hope I explained well enough.
     
  8. mala1610

    mala1610

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    cant see pic
     
  9. Maddy

    Maddy Thread Starter

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    Oh gosh!!! sorry. This is before the anemone and some other corals but as I said, the powerheads are just a bit higher than in the photo. More or less in the centre.



    [​IMG]
     
  10. Aquetas

    Aquetas

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    Hi Maddy

    Where is your return line? Have you tried putting the powerhead on the other side and facing it towards the glass?
     
  11. Maddy

    Maddy Thread Starter

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    Here is a better one. You can only just see the powerheads on the sides.

    [​IMG]
     
  12. butcherman

    butcherman Moderator MASA Contributor

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    @Maddy is it just the one power head? Try place it more to the front of the tank about half way up, pointing backwards and up. Your sps will like the flow.
     
    Last edited by a moderator: 26 Nov 2015
  13. Maddy

    Maddy Thread Starter

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    There is a powerhead on each side, the return line is on the left hand of the pic.
     
  14. butcherman

    butcherman Moderator MASA Contributor

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    did you do a rescape recently?
     
  15. Maddy

    Maddy Thread Starter

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    Rescape? Sorry for the ignorance. Lol:lol:
     
  16. butcherman

    butcherman Moderator MASA Contributor

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    changed the positioning of your rocks and corals. the 2 pictures of your tank look different.
     
  17. Aquetas

    Aquetas

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    Might need to use 1 power head or get smaller ones. I can see there is alot of current on the top of your water level on the tank

    Or rescape
     
  18. Maddy

    Maddy Thread Starter

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    The first photo was quite at the beginning when I started my tank. So after I started to buy more liverock etc, I rearranged yes, but the flow has always been the same, then and now.
     
  19. Maddy

    Maddy Thread Starter

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    Aquetas, in what way do you mean rescape? How should I place the liverock?
     
  20. Jinx

    Jinx

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    I think you are sort with some live rock.If you place more rock in your tank and scape them nicely,they will brake the flow.....or else I would place one powerhead on the left hand side glass towards the front on point it to the centre off the rear glass and one on the right hand side towards the back and point it towards the centre off the front glass.
     
  21. Maddy

    Maddy Thread Starter

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    Thanx everyone, appreciated! :lol:
     
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