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  1. #21
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    Sounds cool. Take pics! And remember that when the screen fills in, water will no longer be able to flow through ti.





  2. #22
    Senior Member Morgadeth's Avatar
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    Here's my quick setup to see how it works...

    I'll likely add something to aid in floatation on the left, and something to better anchor the right. It should work like this, though.

    We'll see!
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    90 gallon tank stocked with 1 Yellow tang, several damsels, porcupine puffer, 1 clownfish, baby moray (for the DAMSELS), carpet anemone, 2 mated coral banded shrimp, 1 cleaner shrimp, 1 serpent starfish, 1 Hawaiian featherduster, 1 lazy cucumber and now, 1 curlycue anemone..



  3. #23
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    Very cool, and first of it's kind. Did you rub algae into the screen? When you clean that glass maybe you can get some more pics. You'll want to take one every day in the same spot, and also test N and P every day. Also, if enough water is not flowing over the screen, you can add a powerhead in there somewhere.



  4. #24
    Senior Member Morgadeth's Avatar
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    LOL, yeah, I know it's dirty...

    I forgot to do the aglae rub! Off to the living room I go!

    As for water flow, I can remove my flow redirector from the skimmer output. That will definitely throw a good amount of water across the screen...


    Edit: Here's a pic after cleaning the outside of the tank a bit.. Might help for a better idea on what i did
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    Last edited by Morgadeth; 08-18-2008 at 10:11 PM.
    90 gallon tank stocked with 1 Yellow tang, several damsels, porcupine puffer, 1 clownfish, baby moray (for the DAMSELS), carpet anemone, 2 mated coral banded shrimp, 1 cleaner shrimp, 1 serpent starfish, 1 Hawaiian featherduster, 1 lazy cucumber and now, 1 curlycue anemone..



  5. #25
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    Yea you should have as much turbulence (waves, bubble, whatever) that you can get across the screen; or maybe you could direct your flow director across the screen. You do not want still water.



  6. #26
    Senior Member Morgadeth's Avatar
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    You can't tell from the picture, but I'm moving 740GPH through this 10 gallon sump (half full). It rolls pretty good. I'll watch it, though, and keep you posted on my success (or failure)

    I'll most likely keep the skimmer in action until I see some growth, and level movement
    90 gallon tank stocked with 1 Yellow tang, several damsels, porcupine puffer, 1 clownfish, baby moray (for the DAMSELS), carpet anemone, 2 mated coral banded shrimp, 1 cleaner shrimp, 1 serpent starfish, 1 Hawaiian featherduster, 1 lazy cucumber and now, 1 curlycue anemone..



  7. #27
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    Here's another cool screen just built by someone, designed to be over the sump and drain down into it. He says after he adjusted adjusted the flow, there was no spraying or splattering, just a quiet flow down the screen:




  8. #28
    Senior Member Morgadeth's Avatar
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    Ah.. I see what he did.. used a second pump to pull from the sump itself, not the main tank flow.. I didn't think of that..
    I don't have that kind of clearance under my stand, but I would do something like that if I did.. Maybe I'll build a "mini" spraybar to bring the water over tha top of my screen a little better. I have plenty of old powerheads. It shouldn't be too difficult.
    90 gallon tank stocked with 1 Yellow tang, several damsels, porcupine puffer, 1 clownfish, baby moray (for the DAMSELS), carpet anemone, 2 mated coral banded shrimp, 1 cleaner shrimp, 1 serpent starfish, 1 Hawaiian featherduster, 1 lazy cucumber and now, 1 curlycue anemone..



  9. #29
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    Morgadeth; You could route your return to run across and down the screen at a shallow slope. You can even put edges on the screen so it's like a sluice box and the sides contain the flow.

    My understanding was that this is a highly aerobic process and so it's better to have the mat actually out of the water and the water running across it. Sort of maximized by that vertical unit pictured.

    In fact the ultimate is to have the water cascade across, then stop for a second, then cascade, then stop, etc., etc.. In Dynamic Aquaria, an excellent book that really opened my eyes and switched me to an aquaculture mentality from instead trying to run a 'sterile battle ground', he has the mats lowered into the water, and then pulled, then lowered, in a mechanical method if I remember correctly. It would be much easier to somehow have the water just shift back and forth across, say, two screens alternately.

    Also his method for 'seeding' was to tie the matrix in the ocean for a few weeks. Then remove the multi colonized unit install it in the system and let it select for the best species. Novel!

    I'm thinking that the cyclical air exposure and the resulting agitation both work to dramatically reduce the hair algaes as I don't remember that he had any issues with it. He seemed to only harvest mat occasionally, and then often, used the harvest as fish food that went back into the tanks.



    SantaMonica; Thanks for resurrecting this. I saw your original posts and thought 'spammer up to something'.

    Thanks again SantaMonica for getting me interested in this again!! Great 'study' series up there. Lotta work to post. Much appreciated.



  10. #30
    Senior Member Morgadeth's Avatar
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    I do have an articulating powerhead I no longer use in my main tank.. I could attach it to the back baffle and let it sway back and forth over the mat.. Should get a good alteranting flow going.. That's if it will articulate while out of the water. It was getting kinda sticky.. Plus, I dunno if it would overheat or not, not being fully submerged
    90 gallon tank stocked with 1 Yellow tang, several damsels, porcupine puffer, 1 clownfish, baby moray (for the DAMSELS), carpet anemone, 2 mated coral banded shrimp, 1 cleaner shrimp, 1 serpent starfish, 1 Hawaiian featherduster, 1 lazy cucumber and now, 1 curlycue anemone..



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