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Old 10-09-2005, 12:25 AM   #1
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sps polyps not out

I have a few sps coral frags in my tank and most of them do not extend their polyps out. The two of main concern are my purple tip acros they do not extend any of their polyps except those on their base. They are under 150 watt 10000k MH and 96 watt acintic lights and mid way up on the rocks. I do not have my current levels as I will be testing them tomorrow and post then.

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Old 10-09-2005, 02:23 AM   #2
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Check at night after lights out. Polyp extention is not an indication of health one way or the other.

Check your chemistry, water quality and post back with the results. With the various species of soft and LPS, I hope you also use carbon.

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Old 10-09-2005, 01:32 PM   #3
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Well they did not come out anymore after lights out then they do during the day.

Water parameters:
NH4 0
NO3 0
NO2 0
PO4 0
pH 8.1
ALK 3.5
CAL 425

I am running carbon which I switch every week as well as adding seachem reef bulider and reef complete to keep alk/cal in check, I dose those on alternating days at alittle over the manufactures recomended dose.
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Old 10-10-2005, 05:05 AM   #4
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I actually see nothing that would suggest a problem given the info provided except possibley coral proximity. As I said though, polyp extention is SPS corals is not an indication of health one way or the other. If the corals appear healthy otherwise, I would not read so much into this one thing.

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Old 10-11-2005, 04:08 PM   #5
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My acro polyps only come @ 30 minutes after lights out to feed.
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120 Oceanic reef w/40-gallon sump/refugium EuroReef skimmmer, 400wx2 MH, Iwaki pump and 200 lbs LR.

Inverts
Green & Red Musrooms, Pumping Xenia, Green Star Polyps, Green/Purple Ricordia, Orange Ricordia, Green Acro, Bubble Coral, Hammer Coral, Maxima Clam, Crocea Clam, peppermint shrimp, various snails and crabs.

Fish
Yellow Tang, Mated Perculas, Bicolor Blenny, Elaegant Wrasse, Possum Wrasse, Clown Goby, Purple Pseudochromis, Coral Beauty, Golden Angel
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