Quote Originally Posted by matt miller
Maybe it's a grounding problem. When I built my UV box, I had trouble with starting as well. ( http://www.apug.org/forums/forum42/13027-ballast-trouble-home-built-uv-light-box.html ) I installed a metal reflector behind the bulbs and it did the trick.
Thanks Matt,

I am willing to try anything. I'll post my findings. Thanks for the link to your thread, it looks as though this is my problem.