Hi BostonFisher. I have one of the HydroGlow lights but haven't had a chance to use it yet. We do sell the HydroGlow brand at
TackleMonkey.com so I'd rather have someone that has used them to chime in here, but from all the information I've gathered they really work well. The concept certainly makes sense.
If you do decide to purchase one consider checking out the
HydroGlow Fishing Lights in our eStore. Shipping is free on the 24" and 48" lights. And if you fish at night you've got to look at the
HydroGlow Cap Lights. I do use these alot and not just for fishing. Just clip the cap light on your hat and turn on the light color you want to use. Your hands are free to bait rigs or whatever. Very cool.