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Old 11-22-2011, 06:32 PM   #1
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Why is my Blue Tang nipping on my polyps?

I just recently purchase a polyp colony. It has been 3 days now and it barely came out, everytime I walk past my tank, I see my blue tang nipping on the closed polyps, i dont get it, i thought blue tangs doesn't bother corals. Can somebody help, thks.
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Old 11-22-2011, 06:45 PM   #2
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Quote:
Originally Posted by torontofc
I just recently purchase a polyp colony. It has been 3 days now and it barely came out, everytime I walk past my tank, I see my blue tang nipping on the closed polyps, i dont get it, i thought blue tangs doesn't bother corals. Can somebody help, thks.
Hmmm, that's puzzling. Your right, Tangs are reef safe. Maybe there is some algae on the coral that it is nipping on, not the coral itself.
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Old 11-22-2011, 06:57 PM   #3
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idk, it doesn't seem like there's any algae on the coral, plus i would care if the polyps did open, but it didn't, that's why im scare the blue tang is the problem, thks btw.
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Old 11-22-2011, 07:57 PM   #4
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Tangs are known to constantly nip at rockwork and the such...my powder brown does it all day
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Old 11-23-2011, 01:08 AM   #5
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The polyps might also be adjusting to the light. What lights were they under at your LFS? What lights are you running? Might also have been higher or lower in the tank at your LFS then they are in yours. How did you acclimate and for how long? I recently bought a rock covered in zoas and drip acclimated for about 3 hours. All were fully opened within 15 mins.

As far as the tang, its most likely picking at algae. You might not be able to see it but its there.

Edit: just reread and noticed you said 3 DAYS lol. Are they being hammered by direct current? Still could be lighting if they're at the top of your tank under strong lighting.
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Old 11-23-2011, 02:12 AM   #6
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The polyps might also be adjusting to the light. What lights were they under at your LFS? What lights are you running? Might also have been higher or lower in the tank at your LFS then they are in yours. How did you acclimate and for how long? I recently bought a rock covered in zoas and drip acclimated for about 3 hours. All were fully opened within 15 mins.

As far as the tang, its most likely picking at algae. You might not be able to see it but its there.

Edit: just reread and noticed you said 3 DAYS lol. Are they being hammered by direct current? Still could be lighting if they're at the top of your tank under strong lighting.
It's a metal halide at my LFS, and Im running metal halides too. I drip it for about an hour, now thinking again, would it be the change in temperature, since it's kinda cold (5 degree celsius) the day I bought it?

But i'll try to put it down a bit more to see if the light intensity is the problem, thks.
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Old 11-23-2011, 02:14 AM   #7
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Tangs are known to constantly nip at rockwork and the such...my powder brown does it all day
ya, my yellow and sailfin tang didn't nip on it, it's just my blue tang.
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Old 11-23-2011, 02:25 AM   #8
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Quote:
Originally Posted by torontofc

It's a metal halide at my LFS, and Im running metal halides too. I drip it for about an hour, now thinking again, would it be the change in temperature, since it's kinda cold (5 degree celsius) the day I bought it?

But i'll try to put it down a bit more to see if the light intensity is the problem, thks.
I don't think the outside temp should effect them too much, unless you held them out the window on the ride home lol.

They are a moderate light, moderate flow coral. If its up high in your tank I'd definatly try dropping it down a little bit and see how they react.
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Old 11-23-2011, 03:41 AM   #9
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Off topic post removed. Please stay on topic as the OP needs our help.
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Old 11-23-2011, 10:57 AM   #10
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Id def try moving them down a bit
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