[stepaside78]

:rockon6rk:my Z06 recently got an unexpected washing by our sprinklers. the result produced some unsightly "cancer" spots. what product should I use when applied by hand. if hand application doesn't do the job will a professional detailer get 'er done?

 

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Removing them by hand could be an exercise in frustration, depending on how long they have been on there.

If they have etched down into the clear coat, you'll need a machine polisher to get rid of them. If they are fairly fresh, try clay barring them as there's a chance the dissolved minerals are still in the surface and not in the clear coat itself.