Potassium permangenate granules can be carried in a small bottle, can be used for disinfectant for cuts, and can be used in a weak solution to disinfect water. Can't do that with gasoline. <img src="/ubbthreads/images/graemlins/wink.gif" alt="" /> <img src="/ubbthreads/images/graemlins/tongue.gif" alt="" />