rookiereefer

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Hey guys dew polyps on my zoa is not opening up..:( what should i do??
 

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35ppt

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79 degrees is fine IMO. I run 77, anything between 75-80 is fine as long as it's stable. I used to run 79, but I like to hit the middle of the range in case of inaccurate measurements and have a little bit more oxygen saturation.

What are your phosphates and how long has it been in the tank? Like Spartan said it could be low nitrates, could also be low phosphates. Has it been dipped?
 
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35ppt

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Sadly this zoa was my first ever coral so i didnt know about dipping. And phosphate is 0.25ppm
Well you're certainly not lacking in PO4. Other coral seem normal? How long as it been in the tank? Any changes in light? It was fine and now it's not opening?
 

rookiereefer

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Tank is 3 months old. And now i think of it i dont think it never opened up since i brought it home. When i got it from the vendor it was fully opened. No changes in light and other corals/zoas are all opened
 

35ppt

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Tank is 3 months old. And now i think of it i dont think it never opened up since i brought it home. When i got it from the vendor it was fully opened. No changes in light and other corals/zoas are all opened
I would bring up my NO3 and try an iodine dip. Also be sure it's not getting too much flow. Where is the placement in the tank? Can I get a full tank shot?
 

STRIPERVIPER

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If they never opened it’s something about your tank they don’t like. Also zoas like most corals can be finicky. I’ve had zoa gardens where they were all fine and then one type of zoa just starts closing up snd eventually that type all melts. Try doing a large water change and see if it helps.
 

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