Koch Chemie Reactive Rust Remover (Iron Remover) Add-ons:None For wheels with heavy amounts

For wheels with heavy amounts of dirt and brake dust

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The gentle

Repeat every 3 months on heavily used areas (like your driver's seat and steering wheel) and every 6-12 months on the rest of your interior

All foam cannons

Koch Chemie Reactive Rust Remover (Iron Remover) Add-ons:None For wheels with heavy amountsRrr's name is a little misleading. Reactive Rust Remover sounds like a corrosive substance you would want to keep far far away from your precious paint. In reality, it's Koch Chemie's version of an iron and fallout remover, and in true Koch Chemie fashion, it's pH neutral and safe to use on all painted surfaces. Just spray some onto your paint and or wheels, let it do its thing for 3 6 minutes (you'll know when it's done its job), and then rinse off.