I’ve had some zoanthids for about 6months and they have been doing ok-opening everyday and looking good but they haven’t been growing. I use Bayer for dips prior to adding to my tank. This morning as I was feeding my tank, I saw these tiny brown bugs crawling on them. Not sure if they are bad or not. I took the rock out and shook it in some saltwater and lots of these bugs came off. They seem to move pretty fast so I think they have legs but they are so tiny I can’t tell.
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