Another ID request

[cent36]

So I looked but couldn't find these online. Maybe just looking wrong places.
Anyway, what are these white tube things?
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[zombie]

Sponges

 

[cent36]

You 100% on that?

 

[Skrappy]

i agree, sponges

 

[cent36]

They are hard tubed. Don't see anything coming out of them but they are getting longer

 

[Munch]

Hard tubed, possibly Vermetid Snail?

 

[zombie]

I wouldnt think vermetid since their tubes are always a brownish color. I would put my money on sponges as I IDed the exact same thing in my tank before I got an angel. Within a week of putting an angel in the tank all of them were gone.