Just my opinion here, but I've noticed that the initial (First time) clay job on my cars removed the most contamination.
6 months or so later, I noticed that there was much less contamination to remove. That's good news to people like us who try to maintain their car's finish regularly.
6 months or so later, I noticed that there was much less contamination to remove. That's good news to people like us who try to maintain their car's finish regularly.
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