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  1. N

    coral ID help

    Water change done. dKH down to 16.6, pH at 8.0. I should have tested the dKH of my freshly made water. I'll do that tomorrow night with my next water change. I know that my pH of fresh water is 8.2 (from previous tests).
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    coral ID help

    I think I found the answer. After talking to Eric and Will at The Shark Reef, they suggested that I should test for alkalinity as well as pH. So I bought a Salifert test kit and my alkalinity is off the chart. Using extra reagent I extrapolate up the scale to a level of ~20.2. So, time to stop...
  3. N

    coral ID help

    3 - blue leg hermits crabs 6 - margarita snails 5 - Nassarius snails 3 or 4 hitchhiker crabs that came with the rock and I can't get out. I have never seen the nassarius on the rock, occasionally they will climb the glass. The margaritas and hermits go everywhere, so it may have been one of...
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    coral ID help

    Wow! three weeks?! When I added this one it didn't open for three days, and I was starting to get worried. But from then on the polyps just kept getting longer until yesterday (three weeks). Good news, it looks like it is starting to open up this morning. We'll see what happens when the lights...
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    coral ID help

    come to think of it, the hydor rotating head is relatively new, having been added 2 days ago. As it rotates the flow washes directly over this coral. But if this was the cause, I would have thought it would have looked bad on Wed night, not just started today.
  6. N

    coral ID help

    Oh yeah, thanks for the ID help. I had thought some sort of alveopora or goniopora, but the branched shape, rather than the "flowerpot" had me confused.
  7. N

    coral ID help

    I have been feeding my tank with liquidlife bio- and coral-plankton and occasional marineplankton (with cyclopeeze). It is in my 24g aquapod with PC lighting (64 watts), and it sits about halfway down my water column, ~8-10 inches from the light (6-8 inches under water). Lighting schedule is...
  8. N

    coral ID help

    Can anyone help me id this coral? This is a picture when it was healthy. Now I think it is dying, but I don't know why. Thanks.
  9. N

    Help me design my new 240gal setup!

    Scooterman, Thanks for the info.
  10. N

    Help me design my new 240gal setup!

    Oops, re-read the previous page. Thought you were talking CL and not return from the sump. Sorry. I still recall reading about the 50% for gravity assistance. I will see if I can find that source. edit: here is the source. Right here in our forums. I am so confused :eek: It think the key may...
  11. N

    Help me design my new 240gal setup!

    Here is an quote from ReefShow.com where they explain that for a closed loop the only head loss one needs to be worried about is the friction from the plumbing. I will keep looking for the source of the 50% I remember: I am very interested in knowing if this is wrong or right, as I am...
  12. N

    Help me design my new 240gal setup!

    Is that 12ft calculated head or actual distance? It was my understanding that the assistance given to the pump from gravity (on return) reduces the head by ~50%.
  13. N

    Spray bar versus bulkhead

    I anticipate having a shallow sand bed, 1-2" in the main tank, with a deep sand bed in the refugium. The main problem I will have with a spray bar is the fact that my overflow will be in the center of the tank. That means either two spray bars on either side, or simple bulkheads and lock-line in...
  14. N

    Spray bar versus bulkhead

    Ok, After having started a nano tank, I have bitten and will be starting a 120g reef tank this year. I have already bought the tank (4x2x2ft) with an 8"x5" overflow in the center back. Tank is made from 3/8" acrylic, and has not been drilled yet. I anticipate putting my a 'Y' shaped return in...
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    Goby causing increased Nitratres??

    It's an aquapod, so i don't have a sump. I don't think there is enough light in the back overflows to put chaeto in there. I have considered putting it in my tank and just keeping it trimmed, but am not sure I want to do that at this point.
  16. N

    Goby causing increased Nitratres??

    The goby is about 2 inches from nose to tail. I have seen it eat the occasional mysis that drifts near it from when I fed them to my clowns.
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    Goby causing increased Nitratres??

    The levels had stayed at zero after adding the clowns. Could one little fish push it over the edge like this? Only the fish produce nitrates, correct? The corals don't, and I read that clams will used nitrate as a nutrient. The one other option I forgot to mention is overfeeding. I am going to...
  18. N

    Goby causing increased Nitratres??

    I posted this in reply to an old thread, in a different category. Sorry in advance for the double posting. I am having a problem with nitrates. My nano has been running for ~6 weeks. I watched it cycle after I added my live rock, and had all levels (NH4, NO3, NO4) at zero before I added any...
  19. N

    nitrates caused by digging?

    I too have recently noticed the exact same thing. My nano has been running for ~6 weeks. I watched it cycle after I added my live rock, and had all levels (NH4, NO3, NO4) at zero before I added any livestock. I added a couple of ocellaris clowns at the first of March. Still all levels zero. I...
  20. N

    Help me ID this snail

    Thank you everyone. I could easily see the cone shaped operculum when looking at the snail, it just didn't show up in my picture. It had come attached to a rock with multiple Zoo polyps. I only discovered it when I broke the rock apart. My wife thought it was beautiful, so it went back into the...
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