Man,,, I ordered a crap load of 2" glow sticks to put inside the balloons when I'm floating out balloon rigs. I put five off them in a white helium grade balloon, turned the lights out, and they don't put off nearly as much light as I was hoping for. I think what I'm going to do is put five of them in the balloon itself, and attach one or two to the line below the balloons. They come with little plastic rings, so I can slide a couple of those up the line first to attach the glow sticks. Next time I'm going with the regular 6" glow sticks in white and green. I should be able to get them in the balloons. Hopefully the regular ones will be bright enough. They have "high intensity" glow sticks, which are REALLY bright, but they only last for 30 minutes. I ordered the glow sticks off ebay, but do you guys know of somewhere near the Chesapeake Virginia area that sells them? I'd like to pick up some of the 6" glow sticks up for Sunday night.