There is plenty of light to penetrate the edges.. The auto contrast adjustment from the camera makes them seem darker..There are lots of sps in the sides that get enough light for good growth and colour
Steve I have a second 10k 175 and ballast and I chose not to add it.. Power? is that a joke? I have at least 5 seperate curcuits in my room.
:P Let me make this clear, this is not a lighting debate, I am sick of them!
lol I am only showing an example of a certain combination..