Algae ID?

[FinsToTheLeft]

What kind of algae is this?

http://i306.photobucket.com/albums/nn273/Fins_photo/IMG_4517.jpg?t=1218299374

It started on the sand and is now on the LR?

http://i306.photobucket.com/albums/nn273/Fins_photo/IMG_4518.jpg?t=1218299427

The tank is 3 months old and contains about 10 blue legged hermits, 4 turbos, 2 perc clowns.

Thanks.

 

[ed4]

It appears to be a green form of cyanobacteria.

 

[Whalehead9]

2nd Green Cyano

 

[FinsToTheLeft]

Thanks... I check out pics and thats what I think it is... I am going to cut back on the lights and was thinking of doing 20% water changes twice a week. Any other suggestions?