Purple stuff over my coral

Saltwater_hobbiest

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What’s is this purple stuff growing over my zoanthid??

IMG_7689.jpeg
 
Do I remove it or what should I do?
I would remove it since it's invasive to rocks and will irritate zoas. But it is generally a good sign of a reef tank's maturity.

You can dip the zoa in peroxide and tank water mix and use a baster to blow it off the rock. Otherwise, in case you cant dip, just peel it off with tweezers or blow it off with a baster in tank.
 

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