Please help ID this hitchhiker

[WatDatThing]

This colony has triple in size in the last 3 months. It's​ about 2.5" x 1.5" in dimension. TIA
369378

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[JUNBUG361]

Looks like the gsp in different colors

[anthonys51]

Some sort of clove polyp


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[WatDatThing]

Somehow I forgot the most important question, should I kill it and how?

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[anthonys51]

It's really up to you. I would say leave it. It might spread all over the rock. I have one rock in ny tank with something simliar on it. Hadn't spread on new rock and it loses the battle with any coral I put next to it so I am not worried about it. To kill it. Just let rock dry for a day or soak in rodi water. But this will kill your whole rock and the dye off might pollute your tank if added right back in


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[jam.jo]

You could remove it and frag it to give out. Just a type of polyp coral and the fact that it is growing is a good sign. No need to kill it as it is going to create more work for you to cure the rock again and this process does not happen in a week. It takes months once you kill live rock to cure it again.

[WatDatThing]

Ok I will leave it alone. Thanks. It would have been nice if they were bright.

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[mcgyvr]

kill!!!! blowtorch it..

[Sugar Magnolia]

Some sort of clove polyp


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Yep, hate those things. They spawn regularly and the polyps will cover every available area on the rocks.

[WatDatThing]

kill!!!! blowtorch it..
My blowtorch doesn't work underwater...ughhh

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[AlSimmons]

You could just smother them with some epoxy. If the rock can be removed though a wire brush will make short work of those polyps, but just make sure to do this in a separate container of water. Discard this when your done.