Nu-Finish is a "cleaner wax." Its mildly abrasive and if used all the time, it will take off layers of paint. Its a GREAT wax to use after the winter season to take off tar, light scratches, old layers of wax, etc. The immediate results are obvious and the new shine looks good. I would follow with a coat of Maguiars #26 or another soft wax.
Turtle Wax is good, but it doesn't last as long as Maguiars. I think its a case of "you get what you pay for."
The Texas Miata club was fortunate enough to host a "paint clinic" where reps from several detail clinics and folks from Maguiars and Zymol, etc. I learned a lot. alot?
One of the benefits of a smaller club I guess. It would be hard to gather the "Midwest Xterra" group together for an afternoon...
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Thanks,
Puhnutmenum