Diatoms? Help Confirm

[PaulKreider]

Tank is a couple weeks old, I believe this just just diatoms but I want to double check. Easily comes off rocks and class with the swipe of a toothbrush.
IMG_5257 by paulkreider60, on Flickr


IMG_5258 by paulkreider60, on Flickr

IMG_5256 by paulkreider60, on Flickr

 

[Reefing Madness]

No, thats an algae bloom

 

[PaulKreider]

No, thats an algae bloom

Any ID?

 

[Reefing Madness]

Yea, on the rocks looks like Hair Algae