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What is one of the colors on a clownfish? (hint there is a clownfish on the CR logo in the top left corner of the page.)

sps polyp extention?


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  1. #1
    CR Member
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    Default sps polyp extention?

    Spec's: tank is 10years old running 6x T-5 overdriven, closed loop with 3 penductors on Iwaki 70 for flow, hugh Skimmer and levels are at ZERO... except phosphate @ 0.3 on hanna meter. Im feeding brightwells foods 2x a day. I have great color but very slow growth and almost no polyp extention??
    Looking for help?? Thanks
    cal 430
    mag 1330
    dkh 10
    ph 8
    salinity 0.26
    temp 79
    Last edited by jakem; 02-25-2011 at 08:38 PM.

  2. #2
    redemer123 - Reefkeeper
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    Default

    what about your calcium levels and various other trace elements corals need to grow?
    It takes a long long time to build a coral reef. Step by step the reefs survive on partnerships. And the most important partners are you and I.

  3. #3
    CR Member
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    Default

    Quote Originally Posted by redemer123 View Post
    what about your calcium levels and various other trace elements corals need to grow?
    cal 430
    mag 1330
    dkh 10
    water change every other week so trace elements are all good

  4. #4
    Heidi - Reefkeeper
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    maybe they come out at night?

  5. #5
    nate_newton - Reefkeeper CR Member
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    What sps corals are you keeping? Some grow faster than others.

  6. #6
    CR Member
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    Default

    Quote Originally Posted by nate_newton View Post
    What sps corals are you keeping? Some grow faster than others.
    I have 50+..... I have fast growers like digi's and monti's and slower grower's like cervicornis, clathrata and ellorescens.

  7. #7

    Default

    I would take a look at a couple of options. What fish do you have? Do you have red bugs? The latter can be very difficult to see but the first symptom is a lack of polyp extension. Look very, very closely at some of your lighter colored acros. The light color background can make the bugs easier to see. You may see tiny little dots crawling around which would indicate red bugs.

  8. #8

    Default

    Your alk IMHO is way too high. Natural seawater is to 6.5-7 DKH.
    Quote Originally Posted by jakem View Post
    cal 430
    mag 1330
    dkh 10
    water change every other week so trace elements are all good

  9. #9
    CR Member
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    Quote Originally Posted by schminksbro View Post
    Your alk IMHO is way too high. Natural seawater is to 6.5-7 DKH.
    I thought 7-12 was ok?? I will check into this. Thanks

  10. #10

    Default

    The old school way was to keep alk super high but in my opinion it isn't necessary in todays day and age. I believe the coral would prefer to be closer to their natural range. That said I don't think it is your issue in terms of polyp extension.
    Quote Originally Posted by jakem View Post
    I thought 7-12 was ok?? I will check into this. Thanks

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