Originally Posted by
BM08
What is marring? is that something that clay can cause on the paintwork? how,why and what?

Hi BM
Marring can be a number of things. It's basically a defect in the paint though. i.e swirls, etching and scratches as such.
You can get marring from a number of things really, incorrect washing, incorrect claying procedures, using dirty clothes on paintwork etc.
To fix marring, you will require an abrasive process. i.e
Regs