What is this?

[Mike_1]

I’m familiar with diatoms I guess but I’ve never seen brown flower-y looking things. Anyone know what this is?

 

[jabberwock]

Looks like algae

 

[Mike_1]

I kinda figured/hoped it wasn’t anything to crazy. Been slowly adding more and more crabs/snails/clean up crew so I’m sure it’ll get cleaned up eventually

 

[jabberwock]

Tank looks really new, buckle up...

 

[Mike_1]

Yeah it’s new. I’ve got a 2ish year old 15 gallon but this is my largest (75).

Smaller tank didn’t really get anything odd other than super fun bristle worms