Little hard white things.

[Bearchumjs]

I found a few of these on the glass, heater, and liverock. I'd like to know what they are please.

http://www.aquariumadvice.com/forums/members/57623-albums10476-picture45065.html

 

[Ingy]

Feather dusters I believe. I've seen all sorts of other guesses about these, but mine have grown and they are definitely feather dusters. They start as a small white spiral.

 

[crister13]

Holy crap where did u get all of those brittle stars??? And yes def feather dusters. I have em too.