chaeto hitchhiker id

Hello everyone! I just received an order of clean chaeto I ordered from algaebarn and there are some hitchhikers in the bag, are these pests and something to be worried about? Thanks for your time!

Are these Spirorbidae or something else?

anyone know what this thang is? I’m guessing it came in with the chaeto. thanks! mark

Hi, my mother recently got into the reef hobby, and after setting up a refugium in her sump just a few days ago, she has noticed this growing from within the chaeto in the sump. The Cheeto came from her local fish shop, and have only noticed it today so haven’t been able to get to the shop to...

Dear Reef2Reef, I recently got my first ball of cheato and some pieces are covered in small tube like things. Some at the end of the cheato and some in de middle. Can this be coraline algea or are they vermetid snails? Or anything other than that? Seems to be clear of any other hitchhikers...

Hello! I just bought some Chaeto from my LFS. Now I found 2 and some smaller see through things? (apart from a lot of other stuff that I could identify :rolleyes:) They sound very hard when dropped into the sink and they have one tiny hole in them. Could they be egg shells of some sort? Does...

Maybe bristle worms? Anyone have any idea? Just found them today and they do move. Haven't has any in DT, they seem to stay in the Chaeto. Good/bad/indifferent?