zoanthids not opening

I have my 360 tuna blues at 85% intensity and the zoas / palys I have still open.
 
How old is the tank?
At my LFS store they were in the frag tank with hundreds of other Zoas and they were open but they haven’t opened since in my system. I’ve had my 23gal running since Nov 3rd. It finished cycling on December 12th and I added the zoa frags on Dec 29th after having my lights on a schedule for about two weeks.
 
At my LFS store they were in the frag tank with hundreds of other Zoas and they were open but they haven’t opened since in my system. I’ve had my 23gal running since Nov 3rd. It finished cycling on December 12th and I added the zoa frags on Dec 29th after having my lights on a schedule for about two weeks.
This could be a factor. I had an awful time with any coral until my tank matured. Until I got passed the ugly phase everything just kind of survived.
 
Don't change a bunch of things. Just fix your nitrate issue and reassess in 3 weeks.
 

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