Pink zoa question

Lucky42032

Lucky42032

New member
Hi,
I have had a group of pink Zoas in my tank for about 7 months. Lately they only open up when my actinics are on. When the rest of my t5s come on, they close up. I haven't changed anything in my tank recently and all my other corals are doing fine. Any ideas why this might be happening??
Thanks,
Bill
 
Sounds like a mystery to me. Why a photosynthetic coral would not like t5 after months of normal behavior. Try moving them down. Less light would be my first step. Check to see if any fish or inverts are bothering them. Picture?
 
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