growing in my chaeto? alien fuz worm!

[billberet]

well i have no idea on this. they are growing all over my chaeto.
i'm at a loss for words on this one. i searched but every time i put 'white fuz' in my search i get pulled in 1000 directions.

any ideas?

 

[Mrc8858]

Pineapple sponge

 

[billberet]

ok
next question, GOOD OR BAD?

hopefully good, i've been working on my tank day and night.
they are in my sump only, not in my DT.

 

[AquaRick]

they're harmless filter feeders. No issues with them.

 

[billberet]

thanks, i'll let them be.
they are only in the sump anyway.

thanks for the help everyone!