powder coat

Just had my alloys powder coated in gun metal grey. I want to try and keep them looking minty for as long as possible. I intend to avoid harsh or acidic products, and I’ll clean them by hand rather than with with the jet washer. I’ve got an old bottle of Triplewax shampoo which is ph neutral...

My lovely AMG alloys had been refurbed before I bought my car a couple of years ago, but now even though I've never kerbed them, they've got quite a lot of white oxidation splodges around the outer edges and hub. I have a local place who I haven't used before (Star Alloys in Preston, who come...