can someone please tell me what I'm doing wrong?

[Nano]

Originally Posted by Switch Blade

it may be your lights at 50% turn it up to around 80-100

Keep in mind, my tanks 15" deep and 24x24" wide the light sits about 8" from the water. Also this problem didn't start til after moving the tank, I am leaning towards a nutrient issue, as the algae is feeding off of something.