here is a link to a video DEI Rad Relief vs Water Wetter. I used to use the redline, but have switched to DEI, not just because of this video, but also because DEI is pretty much the name in cooling when you want the best. Also the Royal Purple Purple Ice foams way less then the Redline, so if thats a route you'd like to go. So heres the vid:
http://videos.streetfire.net/video/D...s-1_123011.htm