If you have no canopy, how much light spill are you getting?

[Ace Storman]

My Current USA pro lights (x3 strips) sit right on the lip of the tank and are a couple of inches off the water. Very little spill over and even light through out the tank.
Intensity cut back to 50 percent whites and 55 percent blue. Tried to attach some pictures but 'failed because I am missing some sort of token'.
Perhaps an admin can help...