I just wanted to let you all know that today I found a pretty good deal at Walmart on a Feit compact fluorescent blacklight. It cost $5 which I thought was pretty good deal. It was in the clearance aisle for some reason and it was the only one I saw. On eBay these exact bulbs are going for twice that plus shipping. I know that incandescent blacklights don't work well, but I thought since this one was fluorescent it might work better. I tested it as soon as I got home and BINGO! Works AWESOME! I just thought I'd let you all know in case you haven't tried one yet. I think it's well worth the money and I'm heading back tomorrow to see if I can find some more.