Thanks for the compliments....
I use a kit from here---
http://www.vandykestaxidermy.com/product/102434/skull-bleaching-kitThe kit is as cheap as i have found'em and seems to work the best. It also comes with instructions that are easy to follow. Out side of the kit I use a pot and burner to boil the skull, super glue for teeth and clear coat for a finish. Usually have to boil the skull twice to get it clean and a dremel tool helps get the stain off the teeth. I have no idea why I enjoy a hobby as nasty as this one! If I can help answer any question if you try one just let me know.