I use tyre black...
just hose off most of the dirt and paint
Dont go out in the rain for a couple days thu.
Cool if the wells get real dirty, a water blaster will remove the tyre black.
I dont use tyre black on tyres...regular use of jaye pine disinfectant is best.
I say regular, 1 or 3 coats does very little..as time goes on they look very natural.