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Zoas won’t really need the trace elements however your acros do. Anything with a Stone-like Skeleton will want those trace elements to built it. I don’t believe Snails use much of the elements to grow however I’m sure they will use some of it to grow their shell with them.I have a a wide variety of corals. Sps acros to zoas. Only invert are a few snails.
I will say tank looks good just want tank to be stable.


