What is the stiff brush bristle like growth on live rock

DioAquatics
DioAquatics
@DioAquatics · 2 weeks ago

Would anyone be able to tell me what this is growing on this live rock? Got it for free but dont want to put it into my display tank if this stuff is a nuisance. Its pretty stiff, kinda like brush bristles or something

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I’d cure it separately first!

I might just let it go dry and pressure wash it all of to make sure I dont get any of this into my main tank

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