We put pre assembled fixtures onto the plywood. As I recall we put 16 single tube fixtures. Can't remember why we didn't use double tube fixtures. Perhaps they weren't as space efficient or it was felt that individual fixtures gave us more flexibility. Probably they were on sale. Did you find the bulbs at a reasonable price? r PhotoRoy6@aol.com wrote: > > Robert, > Did you put two tube fixtures on to the plywood or did you get the > component parts, sockets, ballast etc and put them directly on to the plywood? > Roy > > In a message dated 8/17/02 4:08:51 PM EST, robert@earnestphoto.com writes: > > > That is true. > > The last time we made a flourescent fixture to use as a light source we > > mounted 16 8 foot full sprectrum tubes to 4x8 sheet of plywood. > > > > it was an ugly thing, but the light was beautiful. > > > > r