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Old 11-10-2009, 08:14 PM   #1
jenglish
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Overextension of polyps?


I picked up a Hammer frag from a local about a month ago. It seems like more often than not the polups are all VERY long. Generally they are over 2 inches from the skeleton. I have not seen anyone else's Hammer look this "loose" for lack of a better word. Is this a sign of something bad? Is it in too much flow, showing not enough light... what does this mean.


When I did my last top off I had let it go 2 days... somthing I never do but I was having RO problems. After I did that my Acans and Micromussa did the same. Even my war coral had feelers out in broad daylight. Was this a stress reponse to rapid salinity change?
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Old 11-11-2009, 05:51 AM   #2
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what type of lighting do you have? where are they placed in the tank? what are your water parameters? it sounds like they are not geting enough light and are stretching to reach for more.
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Old 11-11-2009, 06:32 AM   #3
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A lot of my corals go into feeding mode when water chemistry changes. I bought a maze brain last year who wanted to feed as soon as I put it in my tank, at noon under halides. After a water change my LPS also get "excited".

My hammer as been 3" from a K4 since I got it and 10" under a 150w HQI, these guys are pretty tough, I'd stick it out unless you can see damage.
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Old 11-11-2009, 08:55 AM   #4
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interesting thread my hammer does they same thing.
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Old 11-11-2009, 01:49 PM   #5
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The light is a 4 bulb Nova T5. I is in the sand on the bottom where I put it to acclimate and never moved it out. It actually had only been a mere curiosity when I posted this but it looks a little limp today. I moved it out into a brighter spot and put a piece of tonga up to block some flow. I had thought of moving it up into the rockwork but when it looked so limp I was afraid there was too much flow.
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Old 11-11-2009, 08:09 PM   #6
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I ended up moving some stuff around and it is looking a little better.
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Old 11-12-2009, 06:01 PM   #7
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Do you have soft corals in the tank?

I think your issue is caused by allelopathy. If you don't top off your water, the concentration of allelopathic substances goes up. Corals go into battle mode. They stretch out their tentacles as far as they can to try and attack nearby corals.
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Old 11-12-2009, 07:01 PM   #8
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Well, the odd thing was I saw all the sweepers AFTER a top off.

There are 2 Rics, 3 common shrooms, a colt, xenia, 5 zoanthids, toadstool, 2 acans, micromussa, hammer, orange monticap, and um... I forget the other corals. I may have to get to running GAC constantly instead of during my weekly maintenance
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Old 11-14-2009, 06:59 AM   #9
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How high does your salinity go before you top off?

I always run GAC in mixed reef tanks.
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Old 11-14-2009, 10:46 AM   #10
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Hell, part of the problem is my maintenance has been slacking since my refractometer crapped out. I tried everything to get it apart and could not. So my weekly to two week water change went about a 5 weeks. I finally dug out my old swing arm hydrometer since it is better than guessing. I am keeping it at 1.025 instead of 26 in case the hydro is off too much. Water change was typically when I would run a mech filter and carbon and blow off rocks. that has also been over a month. So it really likely comes down to a lapse in maintenance.
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Old 11-14-2009, 04:46 PM   #11
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I moved it again and it is looking much better now. WHat worries me is it looks like it has died back from the base somewhat. I will have to keep a close eye on it now.

I did a 5 gallon w/c on my 30 and my 10 last night and another one today, perhaps we will see some improvements across the board
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Old 11-16-2009, 05:41 PM   #12
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is it possible to get you to post a picture? this is what mine looks like most of the time.
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