I use a leaf blower for bucket washes, then follow with ONR quick detailer ratio with a soft microfiber. But mostly I just do rinseless now and blot dry with a guzzler. I don't even move the guzzler across the paint... blotting only. The thing leaves the surface very dry. I really can't imaging doing bucket washes routinely anymore... only if the car is super dirty, but I never really let it get there. I would say regular rinseless with the blotting method would be the best chance of avoiding damage to the paint.
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