Algae identification

[cnjcpb]

What kind of algae is this? It doesn’t come off with a tooth brush or my finger nail. It’s a bright green/yellow. Tank is 3 months old.

Parameters:

Temp 79
Ammonia 0
Nitrate 10
Phosphate .20
Salinity 1.024
Alk 136
Ph 7.8
Cal 400
Mag 929

 

[Reefing_addiction]

Your tank doing its thing.
It’s normal.
Those rocks eventually won’t be white.