Originally Posted by Paul

From www.PCA.org and John Paterek the ultimate authority on this subject.

We have foumd Wurth Zebra finish which was introduced as a lubricant for thier clay paint cleaneris incredible for removing bugs water spots and film on glass.It may not Google but we have won Restoration of the year PCA parede 2 times Pebble beach, Louis Vuitton, Amelia Island ETC using tjis product. I am a firm believer in it,it also removes hard water spotting and streaks.

John Paterek - PCA WebSite - 4/18/2005