Donna,
Your set up looks fantastic. We also buy the ordinary lights and they work out fine. I think that our shelves are deeper because my DH said that we needed 2 sets of lights for each shelf. It is a space saver but a little difficult to get to the back of the shelves with my baster. I baste water on everything that is not getting bottom watered. I found that spraying sometimes knocks down the small seedlings. This doesn't happen it I hold the baster onto the soil instead of dropping on the tops of the plants. Got any tips for me??