Geez, that was annoying, Could not find this thread using search here, had to use Google. And then the AI response at the top was talking about computer RAM. Anyway, a few links down and here I am.
Washed it! Way overdue, covered with Aphid honeydew which turns black over time. I should have taken a "before" pic. Here is after:
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I am now using a two-bucket method for all washes, a rinse bucket and a wash bucket. This is the wash bucket at the end after rinsing the mitt each time:
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I had the truck ceramic coated about April before the Aphid season got going, and it was much easier to clean compared to my '04 Silverado which has not had any wax or anything since I bought it used many years ago. Still was quite a job to get the crap off of it. This was the first wash since getting the coating done. Will do it more often next year.