ID?

[Flea78]

Just hitting 3 month mark. Is this expected on rocks?
Nitrate 1.8
Ph 8.0
Phosphate 0.1

 

[Tuan’s Reef]

That's just the beginning. Get some snails...trochus, cerits, asteria etc.

Seed it with copepods as well

 

[fodsod]

Yep totally normal and it will pass over time once things balance out and you get parameters dialed in. As the previous poster stated, get some clean up crew in there to eat that stuff up.