I bought some of the new baitballs and tried them today while ice fishing.  They fizz like they show on the ads, as I could see on my underwater camera.  Be advised however, that if you count on using a depthfinder with them you will probably be out of luck.  I dropped one in 19' of water at one spot and another in 32' of water in a different spot.  The fizz effect wipes out the fishfinder screen. It looks like chaff on radar.  I turned the sensitivity down as low as it would go on my Humminbird and 60% of the screen was still pretty much blanked out.  Without the camera down I would have been fishing blind.