algea help

[Luka]

How new? If it's brand new 1-2 months old. It's just going through its natural cycle of growing beneficial bacteria.

Tank is about I wanna to say 3-4 months old maybe a little less

I just don't know what it is and its really scary and makes my tank look ugly I am fine if its is beneficial bacteria growing etc. but if its dinos or cynao dif story