What is this in my gsp

[rayfish4544]

I see I have algae or something in my gsp I hope it's not what I think please help


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[54seaweed]

could be a sponge the way its wrapped around the base of that stalk ,

[rayfish4544]

Is that a bad thing I just start my first sw about four month ago thx for input


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[mr_X]

Not necessarily. If it gets too big and starts strangling your star polyps, then you can simply scrape it away with a toothpick or small blade. Otherwise, I'd just leave it. It's not directly harmful.

[rayfish4544]

Ok thx a lot kinda scared at first


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