Originally Posted by chops

from what i know, the ultimate compound is a heavier polish compared to the #205. i have alot of fine scratches (dealer washed the car by machine, even though the sticker on the rear windshield specifically says NOT to) so the 205 is good enough.

if you have time, you might want to try using the 205 after the ultimate compound. then again for the perfect finish, i dont know THAT much about the products. /waits for kenchan to chime in