Dino outbreak?

[WhiskeyCoffee]

Dinos? Sticking to some corals and it’s long and stringy. Tanks been up for 6 months and already went through diatom phase.

 

[JaimeAdams]

Certainly looks like it could be. There are tons of pics to compare with in the subforum that you posted in.

 

[Eddie Rogers]

What are your tanks parameters?

It could more diatoms