Depending on the TDS content of the water in your area, this may recur if the water is allowed to dry by itself on the vehicle , especially if warm or sunny.
Solutions to counter this in the future are;
1) drying with a clean towel as soon as a section is washed and cleaned.
2) spray -on waxes
3) DI water (can get expensive), especially if TDS levels are quite high.
Edit; this can happen regardless of coating.
Last edited by X519; 02-05-2020 at 07:03 PM..
Reason: Additional info
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