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Thread: Reefkeeping Tank of the month - Feb06

  1. #21
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    Hi JC, thot DSB's main purpose is to convert nitrate to nitrogen by the aneraobic bacteria (pls correct me if wrong)? Something very similar to the Jaubert system...
    Cos I did see air bubbles popping out from the DSB once a while, and I thot that's nitrogen..
    The phosphate burping is something new, thanks for sharing.

  2. #22
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    Ya. The main purpose of DSB is to remove Nitrate. Think my previous post was written in a rush thus the confusion. Sorry.

    Cheers
    JC
    Last edited by solonavi; 13th Feb 2006 at 20:38.

  3. #23
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    solonavi: So would it be correct to assume that a DSB is simply 4-6 inches of sand? And that after a few months the anaerobic bacteria will start converting the nitrates into nitrogen?

  4. #24
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    Yup. The basic concept is that but a point to note is that the sand has to be fine. Typically, those C0 sand avail in most LFS. The biggest grains are C5.

    Cheers
    JC

  5. #25
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    right thanks

  6. #26
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    Hi JC, question I have: how does the water get into the DSB for the anerobic bacteria to breakdown the nitrate to nitrogen?
    Cos i see it as a big chunk of sand resting below without any aid of "making" the water goes thru it...

  7. #27
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    I believe it works by diffusion... higher concentration to lower concentration. Cos if you used something to move the water down there you're also bringing in oxygen which stops the process.

  8. #28
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    Quote Originally Posted by XnSdVd
    I believe it works by diffusion... higher concentration to lower concentration. Cos if you used something to move the water down there you're also bringing in oxygen which stops the process.
    Sounds logical to me... thanks Xn!

  9. #29
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    best saltwater reef tank i've ever seen..

  10. #30
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    Oceanrunner marine pump

    Hi, do u know anyone who maybe interested in an unuse Oceanrunner OR6400 pump. I bought a 6ft x 2.5 x 2.5 tank and it came with it. right now I am using my tank for plants and small tropical fishes.

    [email protected]

  11. #31
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    Quote Originally Posted by tomgoh
    Hi, do u know anyone who maybe interested in an unuse Oceanrunner OR6400 pump. I bought a 6ft x 2.5 x 2.5 tank and it came with it. right now I am using my tank for plants and small tropical fishes.

    [email protected]
    Try posting in the sell & buy section.

    Cheers
    JC

  12. #32
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    oceanrunner

    Hi JC,

    unfortunately I do not have the required 10 messages yet and so cannot get into the buysell section. can u do it for me?? am new in this hobby.

    [email protected]

  13. #33
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    Quote Originally Posted by tomgoh
    Hi JC,

    unfortunately I do not have the required 10 messages yet and so cannot get into the buysell section. can u do it for me?? am new in this hobby.

    [email protected]
    10 posts are easy. Am sure you know how to achieve, ya.

    JC

  14. #34
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    Welcome to the club tom! I echo JC's comment...

  15. #35
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    Hi JC, in a fix now.
    My 3 ft marine tank uses undergravel filter, my recent test strip showed abt 25 ppm nitrate (25 mg/litre).
    Remember you told me ugf is nitrate factory.

    What are my options?

  16. #36
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    25mg/l is still fine. As long as it doesn't exceed >50mg/l, soft coral should be ok. However, if u are looking for some methods to reduce NO3, maybe u wan to try a de-nitrator or do a external bucket DSB (saw in ReefCentral).

    Cheers
    JC

  17. #37
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    Thanks JC, I am beginning to appreciate DSB... what I am currently doing is water change of 15% weekly, which I can't afford to miss. No slacking.
    if have DSB, probably can miss a week and do water change 10% fortnightly?

  18. #38
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    Quote Originally Posted by tomgoh
    Hi, do u know anyone who maybe interested in an unuse Oceanrunner OR6400 pump. I bought a 6ft x 2.5 x 2.5 tank and it came with it. right now I am using my tank for plants and small tropical fishes.

    [email protected]
    what's this Oceanrunner OR6400 pump? Is it a sump pump? what's the flow rate?

  19. #39
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    Quote Originally Posted by Darylyap
    Thanks JC, I am beginning to appreciate DSB... what I am currently doing is water change of 15% weekly, which I can't afford to miss. No slacking.
    if have DSB, probably can miss a week and do water change 10% fortnightly?
    When ur DSB mature, u can practically dun bother abt NO3. I used to change water monthly.

    JC

  20. #40
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    Quote Originally Posted by Darylyap
    what's this Oceanrunner OR6400 pump? Is it a sump pump? what's the flow rate?
    Its a external pump normally used as a return pump.

    JC

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