sand storm help

Discussion in 'Pumps and Waterflow' started by butcherman, 28 Apr 2010.

  1. butcherman

    butcherman Moderator MASA Contributor

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    Im having problems with sand storms in my tank:banghead:.
    The LR is being covered in argonite - agramax(sugarfine) from the stroms and i can see this leading to problems in the future. i have tried positioning the pumps at diffren angles, blowing towards each other, blowing against the glass, blowing towards the surface. some have better results than others, but there's always more sand on the rocks.
    I have lifted the rocks off the sand on pvc pipes so the water can flow underneath which help a little.

    The dispaly tank is 1200x450x450 water is about +-210l
    Return pump is 1500l/h
    Flow is from 3 pumps:

    SEIO Prop 1500 5800l/h
    Sunsun 3000l/h
    Seio 320 1200l/h

    so on some calculations the it would mean the turn over in the tank is about 55x an hour maybe a bit much.

    The plan for the tank is to be populated with softies and a few lps.

    what should i be aiming for in regards to flow in the tank?
    or should i be looking to chance to something like the argonite fiji pink instead?
    any comments wlecome guys
     
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  3. Jaak

    Jaak

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    I think your total turn over is way too much for a softies and lps tank. Perfect for SPS though. In my 1200 tank I had 2 5000l/h SunSun's. Can you post a picture of how you've positioned theses Seio's & Sunsun?
     
  4. Tobes

    Tobes Retired Moderator

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    I agree, too much for LPS - you only need about 30x for LPS as their flesh can get damaged and easily torn off the skeleton. Also the sand/aragonite can fall onto the LPS corals and they don't like that, although they can shed it off.
    Rather get 4 or 5 smaller pumps than 2 or 3 big ones as you'll have more directions to point the pumps in with less flow.
     
  5. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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    so if i use 2 sunsun 3000l/h or 3 Seio Prop 530 (2000l) would be ideal?

    here are the 2 configurations i get the best results with looking at the tank from the top. all the pumps are pumping the water upwards.
    [​IMG]
     
  6. Jaak

    Jaak

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    Maybe get another 3000l/h sunsun and replace it for the 5800l/h Seio? Where is the sandstorm at it's worst? towards the left of the tank?
     
  7. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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    worst in the middel between the 2 islands of LR
     
  8. Jaak

    Jaak

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    I'm pretty sure it's the big seio causing the trouble. I assume that's your overflow in the right hand corner? I would honestly rather put in another sunsun, they have such an awesome dispersed flow. And take out the 1200l'h seio completely.

    I had my 2 5000l/h sunsun's on a boyu intermittent switch which created a nice dispersed random flow. Together with a 15000l/h Resun and I never had any sand storms.
     
  9. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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    what substrate where you using Jaak?
     
  10. neil.h

    neil.h

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    Tagging along here. Since i'll have the same substrate, similiar tank dimensions and stocking.

    Jaak, where did you get the Boyu intermittent switch? Is it part of the Boyu WM?
     
  11. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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    neil.h what flow do you have in your tank? got a pic of your tank?
     
  12. neil.h

    neil.h

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    Tank is still empty, waiting for IM to finish modifying the sump from FW to SW. Plus the 9211 skimmer from George only lands in 3 weeks time
     
  13. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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    ohhh a tunze skimmer ... welcome to the club :) what flow are you planing for the tank neil.h?
     
  14. neil.h

    neil.h

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    Probably going for a few of the smallest SunSun units or SEIO prop equivalent, need to do testing first. My tank is deeper at 60cm
     
  15. Jaak

    Jaak

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    Hi Neil, just ask your LFS for ir. It retails for around R150. No, it is not part of the boyu wm. One thing though, SEIO's dont' work well on it.
     
  16. Jaak

    Jaak

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    @ Butcherman, I was using the Caribsea Aragonite. Another thing though, my tank wasw also 750 deep as opposed to yours. Maybe stick with 2 x 3000l/h sunsuns and play with their positioning in order to not get that "clash" of flow in the centre. Mine was almost pointed at each other but with the internitten flow it worked well.
     
  17. neil.h

    neil.h

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    But SunSun's do right? :thumbup:
     
  18. Jaak

    Jaak

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    Sunsun's work fine on it. Seio's has that start up noise where the sunsun's are quiet.
     
  19. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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    could you explain this a little more please Jaak?:whistling:
     
  20. Jaak

    Jaak

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    With the pumps going on and off at random there wasn't that constant flow clashing in the middle of the tank. It did happen here and there and I could sometimes see some sand move ever so slightly but I liked that. I tried to set it that the one went on when the other went off...
     
  21. butcherman

    butcherman Thread Starter Moderator MASA Contributor

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