Quote Originally Posted by madkatz View Post
you might need to use an aggressive clay, there are a lot of different clay grades and some or really really hard and aggressive that you could actually see some very old paint spots and transfers slowly abrade away, its like literally wet sanding the overspray but it is still gentle on paint
When done properly, claying is clear coat safe right? What are the pros and cons of using an aggressive and less aggressive clay? Will aggressive clay scratch the paint?

I believe that I need to clay once a month because during weekdays, I park in an industrial zone in Novaliches. After a month, sobra gaspang ulit ng bubong.